diff --git a/.github/workflows/ci-tests.yml b/.github/workflows/ci-tests.yml
index 40c0acfca4..41f7a73405 100644
--- a/.github/workflows/ci-tests.yml
+++ b/.github/workflows/ci-tests.yml
@@ -14,6 +14,7 @@ concurrency:
 env:
   CLANG_DOCKER_IMAGE: axom/tpls:clang-19_12-24-25_01h-51m
   GCC_DOCKER_IMAGE: axom/tpls:gcc-13_12-24-25_01h-51m
+  WIN_TPL_TIMESTAMP: "12-29-25_21h-52m"
  
 jobs:
   # Hacky solution to reference env variables outside of `run` steps https://stackoverflow.com/a/74217028
@@ -119,29 +120,92 @@ jobs:
           path: "**/Test.xml"
   windows_build_and_test:
     runs-on: windows-latest
+    permissions:
+      actions: read
+      contents: read
+
     strategy:
       # If any of checks (e.g. style) fail, allow other jobs to continue running.
       fail-fast: false
+    
     env:
-      CMAKE_EXTRA_FLAGS: '-DAXOM_ENABLE_SIDRE:BOOL=OFF -DAXOM_ENABLE_INLET:BOOL=OFF -DAXOM_ENABLE_KLEE:BOOL=OFF -DAXOM_ENABLE_SINA:BOOL=OFF -DAXOM_ENABLE_MIR:BOOL=OFF -DAXOM_ENABLE_BUMP:BOOL=OFF'
+      VCPKG_TRIPLET: x64-windows
+
     steps:
     - name: Checkout Axom
       uses: actions/checkout@v4
       with:
         submodules: recursive
-    - name: Windows - CMake
+
+    - name: Set up python
+      uses: actions/setup-python@v5
+      with:
+        python-version: '3.10'
+
+    - name: Configure vcpkg binary cache directory
+      shell: pwsh
       run: |
-        cmake ${{ env.CMAKE_EXTRA_FLAGS }} -B build -S src
+        $cacheDir = "${{ github.workspace }}\.vcpkg-cache"
+        New-Item -ItemType Directory -Force -Path $cacheDir | Out-Null
+        "VCPKG_DEFAULT_BINARY_CACHE=$cacheDir" | Out-File -FilePath $env:GITHUB_ENV -Append
+
+    - name: Restore vcpkg binary artifacts (TPLs)
+      id: cache-vcpkg
+      uses: actions/cache/restore@v4
+      with:
+        path: ${{ github.workspace }}\.vcpkg-cache
+        key: >
+          win-tpls-${{ env.WIN_TPL_TIMESTAMP }}-${{ env.VCPKG_TRIPLET }}-
+          ${{ hashFiles(
+              'scripts/uberenv/**',
+              'scripts/vcpkg_ports/**',
+              '**/vcpkg.json',
+              '**/vcpkg-configuration.json'
+          ) }}
+        restore-keys: |
+          win-tpls-${{ env.WIN_TPL_TIMESTAMP }}-${{ env.VCPKG_TRIPLET }}-
+          win-tpls-${{ env.WIN_TPL_TIMESTAMP }}-
+
+    - name: Windows - Cache status
+      shell: pwsh
+      run: |
+        echo "ref               = ${{ github.ref }}"
+        echo "event_name        = ${{ github.event_name }}"
+        echo "WIN_TPL_TIMESTAMP = ${{ env.WIN_TPL_TIMESTAMP }}"
+        echo "VCPKG_TRIPLET     = ${{ env.VCPKG_TRIPLET }}"
+        echo "cache-key         = win-tpls-${{ env.WIN_TPL_TIMESTAMP }}-${{ env.VCPKG_TRIPLET }}- ${{ hashFiles('scripts/uberenv/**', 'scripts/vcpkg_ports/**', '**/vcpkg.json', '**/vcpkg-configuration.json') }}"
+        if ("${{ steps.cache-vcpkg.outputs.cache-hit }}" -eq "true") {
+          echo "vcpkg binary cache hit; uberenv should be fast."
+        } else {
+          echo "vcpkg binary cache miss; uberenv will build missing TPLs locally (no cache upload in this workflow)."
+        }
+    - name: Windows - Run uberenv (fast with cache)
       shell: pwsh
-    - name: Windows - Build
       run: |
-        cmake --build build
+        python3 .\scripts\uberenv\uberenv.py --triplet ${{ env.VCPKG_TRIPLET }}
+
+    - name: Windows - Configure (config-build.py + checked-in host-config)
       shell: pwsh
+      run: |
+        python3 .\config-build.py -bp build -ip install -hc host-configs/msvc/x64-windows.cmake --msvc 202264
+
+    - name: Windows - Build
+      shell: pwsh
+      run: |
+        cmake --build build --config Debug
+
     - name: Windows - Test
+      shell: pwsh
       run: |
         cd build
         ctest -C Debug -T Test --output-on-failure -V
+
+    - name: Windows - Report cache hit
       shell: pwsh
+      run: |
+        echo "WIN_TPL_TIMESTAMP = ${{ env.WIN_TPL_TIMESTAMP }}"
+        echo "cache-hit         = ${{ steps.cache-vcpkg.outputs.cache-hit }}"
+
   macos_build_and_test:
     runs-on: macos-latest
     strategy:
@@ -192,5 +256,3 @@ jobs:
         submodules: recursive
     - name: Check ${{ matrix.check_type }}
       run: ./scripts/github-actions/linux-check.sh 
-
-
diff --git a/.github/workflows/test_windows_tpls.yml b/.github/workflows/test_windows_tpls.yml
index 4ac42495d9..1fc38207e4 100644
--- a/.github/workflows/test_windows_tpls.yml
+++ b/.github/workflows/test_windows_tpls.yml
@@ -6,52 +6,174 @@ name: Manual test for Axom's TPLs on Windows
 # This workflow runs when manually triggered using the UI or API.
 on:
   workflow_dispatch:
+    inputs:
+      tpl_timestamp:
+        description: >
+          Windows TPL cache timestamp. Leave empty to auto-generate of form 10-07-25_22h-56m.
+        required: false
+        default: ""
   
 # A workflow run is made up of one or more jobs that can run sequentially or in parallel
 jobs:  
-  # This job invokes uberenv to build our TPLs for two "triplets"
-  run_uberenv:
-    name: Runs ${{ matrix.triplet }} ${{ matrix.cfg }} uberenv with vcpkg
-    # The type of runner that the job will run on
+  # Job 1: Build TPLs ONCE per triplet and populate the vcpkg binary cache
+  warm_tpl_cache:
+    name: Warm TPL cache for ${{ matrix.triplet }}
     runs-on: windows-latest
     strategy:
       fail-fast: false
       matrix:
-        arch: ["x64", "x86"]
-        cfg: ["Debug", "Release"]
         include:
-        - arch: "x64"
-          triplet: "x64-windows"
+        - triplet: "x64-windows"
           msvc:    "202264"
-        - arch: "x86"
-          triplet: "x86-windows"
+        - triplet: "x86-windows"
           msvc:    "2022"
 
+    outputs:
+      tpl_timestamp: ${{ steps.tpl_ts.outputs.tpl_timestamp }}
+
     steps:
     - name: Checkout repo w/ submodules
       uses: actions/checkout@v4
       with:
         submodules: recursive
-        
+
     - name: Set up python
       uses: actions/setup-python@v5
       with:
         python-version: '3.10'
-        
+
+    - name: Determine Windows TPL timestamp
+      id: tpl_ts
+      shell: pwsh
+      run: |
+        if ("${{ inputs.tpl_timestamp }}" -ne "") {
+          $ts = "${{ inputs.tpl_timestamp }}"
+        } else {
+          # Match docker tag style: MM-DD-YY_HHh-MMm
+          $ts = Get-Date -Format "MM-dd-yy_HH'h'-mm'm'"
+        }
+        echo "Using Windows TPL timestamp: $ts"
+        "TPL_TIMESTAMP=$ts" | Out-File -FilePath $env:GITHUB_ENV -Append
+        "tpl_timestamp=$ts" | Out-File -FilePath $env:GITHUB_OUTPUT -Append
+
+    - name: Configure vcpkg binary cache directory
+      shell: pwsh
+      run: |
+        $cacheDir = "${{ github.workspace }}\.vcpkg-cache"
+        New-Item -ItemType Directory -Force -Path $cacheDir | Out-Null
+        "VCPKG_DEFAULT_BINARY_CACHE=$cacheDir" | Out-File -FilePath $env:GITHUB_ENV -Append
+
+    - name: Cache vcpkg binary artifacts (TPLs)
+      id: cache-vcpkg
+      uses: actions/cache@v4
+      with:
+        path: ${{ github.workspace }}\.vcpkg-cache
+        key: >
+          win-tpls-${{ env.TPL_TIMESTAMP }}-${{ matrix.triplet }}-
+          ${{ hashFiles(
+              'scripts/uberenv/**',
+              'scripts/vcpkg_ports/**',
+              '**/vcpkg.json',
+              '**/vcpkg-configuration.json'
+          ) }}
+        restore-keys: |
+          win-tpls-${{ env.TPL_TIMESTAMP }}-${{ matrix.triplet }}-
+
     - name: List path and files
       run: ls
+
     - name: Run uberenv (${{ matrix.triplet }})
       run: python3 ./scripts/uberenv/uberenv.py --triplet ${{ matrix.triplet }}
+
     - name: Save Uberenv logs
       uses: actions/upload-artifact@v4
       if: ${{ always() }}
       with:
-        name: uberenv_artifacts_${{ matrix.triplet }}_${{ matrix.cfg }}.zip
+        name: uberenv_artifacts_${{ matrix.triplet }}.zip
         path: |
           ${{ github.workspace }}/uberenv_libs/vcpkg/buildtrees/*/*.log
           ${{ github.workspace }}/uberenv_libs/vcpkg/buildtrees/*/*.err
           ${{ github.workspace }}/uberenv_libs/*.cmake
 
+    - name: Publish TPL timestamp
+      shell: pwsh
+      run: |
+        echo "### Windows TPL cache warmed" >> $env:GITHUB_STEP_SUMMARY
+        echo "" >> $env:GITHUB_STEP_SUMMARY
+        echo '**Timestamp:** `${{ env.TPL_TIMESTAMP }}`' >> $env:GITHUB_STEP_SUMMARY
+        echo "" >> $env:GITHUB_STEP_SUMMARY
+        echo '**Triplet:** `${{ matrix.triplet }}`' >> $env:GITHUB_STEP_SUMMARY
+        echo "" >> $env:GITHUB_STEP_SUMMARY
+        echo '**Cache hit:** `${{ steps.cache-vcpkg.outputs.cache-hit }}`' >> $env:GITHUB_STEP_SUMMARY
+
+
+  # Job 2: Build/test Axom for Debug/Release, but DO NOT rebuild TPLs
+  build_and_test_axom:
+    name: Build/Test Axom ${{ matrix.triplet }} ${{ matrix.cfg }}
+    runs-on: windows-latest
+    needs: warm_tpl_cache
+    strategy:
+      fail-fast: false
+      matrix:
+        cfg: ["Debug", "Release"]
+        triplet: ["x64-windows", "x86-windows"]
+        include:
+        - triplet: "x64-windows"
+          msvc:    "202264"
+        - triplet: "x86-windows"
+          msvc:    "2022"
+
+    steps:
+    - name: Checkout repo w/ submodules
+      uses: actions/checkout@v4
+      with:
+        submodules: recursive
+
+    - name: Set up python
+      uses: actions/setup-python@v5
+      with:
+        python-version: '3.10'
+
+    - name: Use warmed TPL timestamp
+      shell: pwsh
+      run: |
+        $ts = "${{ needs.warm_tpl_cache.outputs.tpl_timestamp }}"
+        echo "Using warmed Windows TPL timestamp: $ts"
+        "TPL_TIMESTAMP=$ts" | Out-File -FilePath $env:GITHUB_ENV -Append
+
+    - name: Configure vcpkg binary cache directory
+      shell: pwsh
+      run: |
+        $cacheDir = "${{ github.workspace }}\.vcpkg-cache"
+        New-Item -ItemType Directory -Force -Path $cacheDir | Out-Null
+        "VCPKG_DEFAULT_BINARY_CACHE=$cacheDir" | Out-File -FilePath $env:GITHUB_ENV -Append
+
+    - name: Restore vcpkg binary artifacts (TPLs)
+      id: cache-vcpkg
+      uses: actions/cache@v4
+      with:
+        path: ${{ github.workspace }}\.vcpkg-cache
+        key: >
+          win-tpls-${{ env.TPL_TIMESTAMP }}-${{ matrix.triplet }}-
+          ${{ hashFiles(
+              'scripts/uberenv/**',
+              'scripts/vcpkg_ports/**',
+              '**/vcpkg.json',
+              '**/vcpkg-configuration.json'
+          ) }}
+        restore-keys: |
+          win-tpls-${{ env.TPL_TIMESTAMP }}-${{ matrix.triplet }}-
+
+    - name: List path and files
+      run: ls
+
+    # This will be fast now: it should reuse the restored binary cache.
+    - name: Run uberenv (consume cache) (${{ matrix.triplet }})
+      run: python3 ./scripts/uberenv/uberenv.py --triplet ${{ matrix.triplet }}
+
+    - name: List path and files
+      run: ls
+
     - name: Copy host-config
       run: |
         ls
@@ -66,12 +188,13 @@ jobs:
         cd build_axom
         ls
         cmake --build . --config ${{ matrix.cfg }}
-        
+
     - name: Test axom (${{ matrix.triplet }} ${{ matrix.cfg }})
       run: |
         cd build_axom
         ls
         ctest -C ${{ matrix.cfg }} --no-compress-output -T Test 
+
     - name: Save CTest logs
       uses: actions/upload-artifact@v4
       if: ${{ always() }}
diff --git a/host-configs/msvc/x64-windows.cmake b/host-configs/msvc/x64-windows.cmake
new file mode 100644
index 0000000000..233a3ec793
--- /dev/null
+++ b/host-configs/msvc/x64-windows.cmake
@@ -0,0 +1,135 @@
+#------------------------------------------------------------------------------
+# !!!! This is a generated file, edit at own risk !!!!
+#------------------------------------------------------------------------------
+# Copyright (c) 2017-2025, Lawrence Livermore National Security, LLC and
+# other Axom Project Developers. See the top-level LICENSE file for details.
+#
+# SPDX-License-Identifier: (BSD-3-Clause)
+#------------------------------------------------------------------------------
+# Host-config generated by vcpkg
+#
+# Port: axom
+# Architecture: x64
+# Platform toolset: v143
+#
+# vcpkg root path: D:/a/axom/axom/uberenv_libs/vcpkg
+# vcpkg target triplet: x64-windows
+# vcpkg target triplet file: D:/a/axom/axom/uberenv_libs/vcpkg/triplets/x64-windows.cmake
+#
+# CMake executable path: C:/Program Files/CMake/bin/cmake.exe
+#------------------------------------------------------------------------------
+# To configure the code using the vcpkg toolchain:
+#   cmake -C D:/a/axom/axom/uberenv_libs/vcpkg/packages/axom_x64-windows/include/axom/hc.cmake  \
+#         -G <generator> \
+#         ../src
+#
+# Supported MSVC generators:
+#   For x86 MSVC builds, use "Visual Studio 2022", "Visual Studio 2019" or "Visual Studio 2017"
+#   For x64 MSVC builds, use "Visual Studio 2022 -A x64", "Visual Studio 2019 -A x64" or "Visual Studio 2017 Win64"
+#   (note: msvc 2019 and later use the -A flag to set the architecture)
+#
+#
+# One can also use Axom's `config-build` script:
+#   cd <axom>
+#   config-build.py -hc D:/a/axom/axom/uberenv_libs/vcpkg/packages/axom_x64-windows/include/axom/hc.cmake                   \
+#                   --msvc {2017,201764,2019,201964,2022,202264} \
+#                   [other options]
+#
+#------------------------------------------------------------------------------
+# To build the code through the command line:
+#   cmake --build . --target ALL_BUILD --config Debug  [ -- -m:8 [-v:m] ]  
+#
+# To run tests, run either:
+#   cmake --build . --target RUN_TESTS --config Debug
+#   ctest -C Debug [-j8]
+#
+# For release builds, use 'Release' in the configuration instead of 'Debug'
+#------------------------------------------------------------------------------
+
+# Toolchain file
+set(CMAKE_TOOLCHAIN_FILE "D:/a/axom/axom/uberenv_libs/vcpkg/scripts/buildsystems/vcpkg.cmake" CACHE FILEPATH "")
+set(VCPKG_TARGET_TRIPLET "x64-windows" CACHE STRING "")
+
+# CMake options
+set(CMAKE_EXPORT_COMPILE_COMMANDS ON CACHE BOOL "")
+
+# Axom options
+set(AXOM_ENABLE_TESTS ON CACHE BOOL "")
+set(AXOM_ENABLE_DOCS OFF CACHE BOOL "")
+set(AXOM_ENABLE_EXAMPLES ON CACHE BOOL "")
+set(AXOM_ENABLE_TUTORIALS ON CACHE BOOL "")
+
+if(VCPKG_TARGET_TRIPLET MATCHES "^x64")
+  set(AXOM_USE_64BIT_INDEXTYPE ON CACHE BOOL "")
+else()
+  set(AXOM_USE_64BIT_INDEXTYPE OFF CACHE BOOL "")
+endif()
+
+# BLT options
+set(ENABLE_FORTRAN OFF CACHE BOOL "")
+set(ENABLE_FOLDERS ON CACHE BOOL "")
+
+#------------------------------------------------------------------------------
+# Static vs. Dynamic builds
+#------------------------------------------------------------------------------
+# Note: Static builds require some care and effort to get right with MSVC.  
+# With a static build, choose one of
+#    - disable Google Test and MSVC static MD to MT (see BLT options
+#      section) or
+#    - disable one of HDF5, conduit (which uses HDF5), or sidre (which
+#      uses conduit).
+#------------------------------------------------------------------------------
+
+# On Windows, build shared libraries by default.
+set(BUILD_SHARED_LIBS ON CACHE BOOL "")
+# Shared libraries on Windows don't export symbols by default.  We'll export
+# all symbols to make behavior more like Linux or Mac OS.
+set(CMAKE_WINDOWS_EXPORT_ALL_SYMBOLS ON CACHE BOOL "")
+
+# Toggle the following to disable gtest if you are compiling with static
+# libraries and need HDF5
+set(ENABLE_GTEST ON CACHE BOOL "")
+set(ENABLE_GTEST_DEATH_TESTS ON CACHE BOOL "")
+
+# Toggle the following to disable changing MSVC's /MD to /MT if you are
+# compiling with static libraries and need HDF5
+set(BLT_ENABLE_MSVC_STATIC_MD_TO_MT ON CACHE BOOL "")
+
+#------------------------------------------------------------------------------
+# MPI options
+#------------------------------------------------------------------------------
+set(ENABLE_MPI OFF CACHE BOOL "")
+
+# If MSMPI and no other MPI is installed, turn ENABLE_MPI ON and CMake
+# should automatically detect it.  If CMake doesn't auto-detect MSMPI,
+# or if you need to use another MPI, you will need to specify the MPI
+# compiler wrappers and helper settings.
+#
+# Here are settings that might be appropriate for Intel compiler:
+#
+# set(MPI_C_COMPILER "C:/Program Files (x86)/IntelSWTools/compilers_and_libraries_2019.5.281/windows/mpi/intel64/bin/mpicc.bat" CACHE PATH "")
+# set(MPI_CXX_COMPILER "C:/Program Files (x86)/IntelSWTools/compilers_and_libraries_2019.5.281/windows/mpi/intel64/bin/mpicc.bat" CACHE PATH "")
+# set(MPI_Fortran_COMPILER "C:/Program Files (x86)/IntelSWTools/compilers_and_libraries_2019.5.281/windows/mpi/intel64/bin/mpifc.bat" CACHE PATH "")
+# set(MPIEXEC "C:/Program Files (x86)/IntelSWTools/compilers_and_libraries_2019.5.281/windows/mpi/intel64/bin/mpiexec.exe" CACHE PATH "")
+# set(MPIEXEC_NUMPROC_FLAG "-n" CACHE PATH "")
+
+#------------------------------------------------------------------------------
+# Set TPLs
+#------------------------------------------------------------------------------
+
+set(CONDUIT_DIR "D:/a/axom/axom/uberenv_libs/vcpkg/installed/x64-windows/share/conduit" CACHE PATH "")
+set(HDF5_DIR "D:/a/axom/axom/uberenv_libs/vcpkg/installed/x64-windows" CACHE PATH "")
+
+set(LUA_DIR "D:/a/axom/axom/uberenv_libs/vcpkg/installed/x64-windows" CACHE PATH "")
+
+set(MFEM_DIR "D:/a/axom/axom/uberenv_libs/vcpkg/installed/x64-windows" CACHE PATH "")
+
+# Setup OpenMP; fix MSVC linker error about unknown flag
+set(ENABLE_OPENMP ON CACHE BOOL "")
+set(BLT_OPENMP_LINK_FLAGS " " CACHE STRING "")
+
+set(RAJA_DIR "D:/a/axom/axom/uberenv_libs/vcpkg/installed/x64-windows" CACHE PATH "")
+# umpire dependency disabled
+set(OPENCASCADE_DIR "D:/a/axom/axom/uberenv_libs/vcpkg/installed/x64-windows" CACHE PATH "")
+
+set(CAMP_DIR "D:/a/axom/axom/uberenv_libs/vcpkg/installed/x64-windows" CACHE PATH "")
diff --git a/host-configs/msvc/x86-windows.cmake b/host-configs/msvc/x86-windows.cmake
new file mode 100644
index 0000000000..a54e67a09b
--- /dev/null
+++ b/host-configs/msvc/x86-windows.cmake
@@ -0,0 +1,135 @@
+#------------------------------------------------------------------------------
+# !!!! This is a generated file, edit at own risk !!!!
+#------------------------------------------------------------------------------
+# Copyright (c) 2017-2025, Lawrence Livermore National Security, LLC and
+# other Axom Project Developers. See the top-level LICENSE file for details.
+#
+# SPDX-License-Identifier: (BSD-3-Clause)
+#------------------------------------------------------------------------------
+# Host-config generated by vcpkg
+#
+# Port: axom
+# Architecture: x86
+# Platform toolset: v143
+#
+# vcpkg root path: D:/a/axom/axom/uberenv_libs/vcpkg
+# vcpkg target triplet: x86-windows
+# vcpkg target triplet file: D:/a/axom/axom/uberenv_libs/vcpkg/triplets/x86-windows.cmake
+#
+# CMake executable path: C:/Program Files/CMake/bin/cmake.exe
+#------------------------------------------------------------------------------
+# To configure the code using the vcpkg toolchain:
+#   cmake -C D:/a/axom/axom/uberenv_libs/vcpkg/packages/axom_x86-windows/include/axom/hc.cmake  \
+#         -G <generator> \
+#         ../src
+#
+# Supported MSVC generators:
+#   For x86 MSVC builds, use "Visual Studio 2022", "Visual Studio 2019" or "Visual Studio 2017"
+#   For x64 MSVC builds, use "Visual Studio 2022 -A x64", "Visual Studio 2019 -A x64" or "Visual Studio 2017 Win64"
+#   (note: msvc 2019 and later use the -A flag to set the architecture)
+#
+#
+# One can also use Axom's `config-build` script:
+#   cd <axom>
+#   config-build.py -hc D:/a/axom/axom/uberenv_libs/vcpkg/packages/axom_x86-windows/include/axom/hc.cmake                   \
+#                   --msvc {2017,201764,2019,201964,2022,202264} \
+#                   [other options]
+#
+#------------------------------------------------------------------------------
+# To build the code through the command line:
+#   cmake --build . --target ALL_BUILD --config Debug  [ -- -m:8 [-v:m] ]  
+#
+# To run tests, run either:
+#   cmake --build . --target RUN_TESTS --config Debug
+#   ctest -C Debug [-j8]
+#
+# For release builds, use 'Release' in the configuration instead of 'Debug'
+#------------------------------------------------------------------------------
+
+# Toolchain file
+set(CMAKE_TOOLCHAIN_FILE "D:/a/axom/axom/uberenv_libs/vcpkg/scripts/buildsystems/vcpkg.cmake" CACHE FILEPATH "")
+set(VCPKG_TARGET_TRIPLET "x86-windows" CACHE STRING "")
+
+# CMake options
+set(CMAKE_EXPORT_COMPILE_COMMANDS ON CACHE BOOL "")
+
+# Axom options
+set(AXOM_ENABLE_TESTS ON CACHE BOOL "")
+set(AXOM_ENABLE_DOCS OFF CACHE BOOL "")
+set(AXOM_ENABLE_EXAMPLES ON CACHE BOOL "")
+set(AXOM_ENABLE_TUTORIALS ON CACHE BOOL "")
+
+if(VCPKG_TARGET_TRIPLET MATCHES "^x64")
+  set(AXOM_USE_64BIT_INDEXTYPE ON CACHE BOOL "")
+else()
+  set(AXOM_USE_64BIT_INDEXTYPE OFF CACHE BOOL "")
+endif()
+
+# BLT options
+set(ENABLE_FORTRAN OFF CACHE BOOL "")
+set(ENABLE_FOLDERS ON CACHE BOOL "")
+
+#------------------------------------------------------------------------------
+# Static vs. Dynamic builds
+#------------------------------------------------------------------------------
+# Note: Static builds require some care and effort to get right with MSVC.  
+# With a static build, choose one of
+#    - disable Google Test and MSVC static MD to MT (see BLT options
+#      section) or
+#    - disable one of HDF5, conduit (which uses HDF5), or sidre (which
+#      uses conduit).
+#------------------------------------------------------------------------------
+
+# On Windows, build shared libraries by default.
+set(BUILD_SHARED_LIBS ON CACHE BOOL "")
+# Shared libraries on Windows don't export symbols by default.  We'll export
+# all symbols to make behavior more like Linux or Mac OS.
+set(CMAKE_WINDOWS_EXPORT_ALL_SYMBOLS ON CACHE BOOL "")
+
+# Toggle the following to disable gtest if you are compiling with static
+# libraries and need HDF5
+set(ENABLE_GTEST ON CACHE BOOL "")
+set(ENABLE_GTEST_DEATH_TESTS ON CACHE BOOL "")
+
+# Toggle the following to disable changing MSVC's /MD to /MT if you are
+# compiling with static libraries and need HDF5
+set(BLT_ENABLE_MSVC_STATIC_MD_TO_MT ON CACHE BOOL "")
+
+#------------------------------------------------------------------------------
+# MPI options
+#------------------------------------------------------------------------------
+set(ENABLE_MPI OFF CACHE BOOL "")
+
+# If MSMPI and no other MPI is installed, turn ENABLE_MPI ON and CMake
+# should automatically detect it.  If CMake doesn't auto-detect MSMPI,
+# or if you need to use another MPI, you will need to specify the MPI
+# compiler wrappers and helper settings.
+#
+# Here are settings that might be appropriate for Intel compiler:
+#
+# set(MPI_C_COMPILER "C:/Program Files (x86)/IntelSWTools/compilers_and_libraries_2019.5.281/windows/mpi/intel64/bin/mpicc.bat" CACHE PATH "")
+# set(MPI_CXX_COMPILER "C:/Program Files (x86)/IntelSWTools/compilers_and_libraries_2019.5.281/windows/mpi/intel64/bin/mpicc.bat" CACHE PATH "")
+# set(MPI_Fortran_COMPILER "C:/Program Files (x86)/IntelSWTools/compilers_and_libraries_2019.5.281/windows/mpi/intel64/bin/mpifc.bat" CACHE PATH "")
+# set(MPIEXEC "C:/Program Files (x86)/IntelSWTools/compilers_and_libraries_2019.5.281/windows/mpi/intel64/bin/mpiexec.exe" CACHE PATH "")
+# set(MPIEXEC_NUMPROC_FLAG "-n" CACHE PATH "")
+
+#------------------------------------------------------------------------------
+# Set TPLs
+#------------------------------------------------------------------------------
+
+set(CONDUIT_DIR "D:/a/axom/axom/uberenv_libs/vcpkg/installed/x86-windows/share/conduit" CACHE PATH "")
+set(HDF5_DIR "D:/a/axom/axom/uberenv_libs/vcpkg/installed/x86-windows" CACHE PATH "")
+
+set(LUA_DIR "D:/a/axom/axom/uberenv_libs/vcpkg/installed/x86-windows" CACHE PATH "")
+
+set(MFEM_DIR "D:/a/axom/axom/uberenv_libs/vcpkg/installed/x86-windows" CACHE PATH "")
+
+# Setup OpenMP; fix MSVC linker error about unknown flag
+set(ENABLE_OPENMP ON CACHE BOOL "")
+set(BLT_OPENMP_LINK_FLAGS " " CACHE STRING "")
+
+# raja dependency disabled
+# umpire dependency disabled
+
+set(OPENCASCADE_DIR "D:/a/axom/axom/uberenv_libs/vcpkg/installed/x86-windows" CACHE PATH "")
+