diff --git a/.github/workflows/main.yml b/.github/workflows/main.yml
index dfcf41f..07aa1ed 100644
--- a/.github/workflows/main.yml
+++ b/.github/workflows/main.yml
@@ -3,88 +3,88 @@ name: build
 on: [push, pull_request]
 
 jobs:
-  build-linux-gcc:
-    runs-on: Ubuntu-18.04
-    strategy:
-      matrix:
-        # g++-4.8 and 4.9 are tested on Travis.CI.
-        compiler: ['g++-9', 'g++-8', 'g++-7', 'g++-6', 'g++-5']
-        standard: ['11', '14', '17', '20']
-        exclude:
-            - {compiler: 'g++-5', standard: '17'}
-            - {compiler: 'g++-6', standard: '17'}
-            - {compiler: 'g++-5', standard: '20'}
-            - {compiler: 'g++-6', standard: '20'}
-            - {compiler: 'g++-7', standard: '20'}
-    steps:
-      - name: Checkout
-        uses: actions/checkout@v2
-        with:
-          submodules: true
-      - name: Install
-        run: |
-            sudo apt-add-repository ppa:mhier/libboost-latest
-            sudo apt-get update
-            sudo apt-get install boost1.70
-            if [[ "${{ matrix.compiler }}" == "g++-6" || "${{ matrix.compiler }}" == "g++-5" ]] ; then
-                sudo apt-add-repository ppa:ubuntu-toolchain-r/test
-                sudo apt-get update
-                sudo apt-get install ${{ matrix.compiler }}
-            fi
-      - name: Configure
-        run: |
-            mkdir build && cd build
-            if [[ "${{ matrix.compiler }}" == "g++-8" && ( "${{ matrix.standard }}" == "17" || "${{ matrix.standard }}" == "20" ) ]] ; then
-                cmake .. -Dtoml11_BUILD_TEST=ON -DCMAKE_CXX_COMPILER=${{ matrix.compiler }} -DCMAKE_CXX_STANDARD=${{ matrix.standard }} -DTOML11_REQUIRE_FILESYSTEM_LIBRARY=ON
-            else
-                cmake .. -Dtoml11_BUILD_TEST=ON -DCMAKE_CXX_COMPILER=${{ matrix.compiler }} -DCMAKE_CXX_STANDARD=${{ matrix.standard }}
-            fi
-      - name: Build
-        run: |
-            cd build && cmake --build .
-      - name: Test
-        run: |
-            cd build && ctest --output-on-failure
-  build-linux-clang:
-    runs-on: Ubuntu-18.04
-    strategy:
-      matrix:
-        compiler: ['10', '9', '8', '7', '6.0', '5.0', '4.0', '3.9']
-        standard: ['11', '14', '17', '20']
-        exclude:
-            - {compiler: '3.9', standard: '17'}
-            - {compiler: '4.0', standard: '17'}
-            - {compiler: '5.0', standard: '17'}
-            - {compiler: '3.9', standard: '20'}
-            - {compiler: '4.0', standard: '20'}
-            - {compiler: '5.0', standard: '20'}
-            - {compiler: '6.0', standard: '20'}
-            - {compiler: '7',   standard: '20'}
-    steps:
-      - name: Checkout
-        uses: actions/checkout@v2
-        with:
-          submodules: true
-      - name: Install
-        run: |
-            sudo apt-add-repository ppa:mhier/libboost-latest
-            sudo apt-get update
-            sudo apt-get install boost1.70
-            if [[ "${{ matrix.compiler }}" != "6" && "${{ matrix.compiler }}" != "8" && "${{ matrix.compiler }}" != "9" ]] ; then
-                sudo apt-add-repository ppa:ubuntu-toolchain-r/test
-                sudo apt-get update
-                sudo apt-get install clang-${{ matrix.compiler }}
-            fi
-      - name: Configure
-        run: |
-            mkdir build && cd build
-            cmake .. -Dtoml11_BUILD_TEST=ON -DCMAKE_C_COMPILER=clang-${{ matrix.compiler }} -DCMAKE_CXX_COMPILER=clang++-${{ matrix.compiler }} -DCMAKE_CXX_STANDARD=${{ matrix.standard }}
-      - name: Build
-        run: |
-            cd build && cmake --build .
-      - name: Test
-        run: |
-            cd build && ctest --output-on-failure
+#   build-linux-gcc:
+#     runs-on: Ubuntu-18.04
+#     strategy:
+#       matrix:
+#         # g++-4.8 and 4.9 are tested on Travis.CI.
+#         compiler: ['g++-9', 'g++-8', 'g++-7', 'g++-6', 'g++-5']
+#         standard: ['11', '14', '17', '20']
+#         exclude:
+#             - {compiler: 'g++-5', standard: '17'}
+#             - {compiler: 'g++-6', standard: '17'}
+#             - {compiler: 'g++-5', standard: '20'}
+#             - {compiler: 'g++-6', standard: '20'}
+#             - {compiler: 'g++-7', standard: '20'}
+#     steps:
+#       - name: Checkout
+#         uses: actions/checkout@v2
+#         with:
+#           submodules: true
+#       - name: Install
+#         run: |
+#             sudo apt-add-repository ppa:mhier/libboost-latest
+#             sudo apt-get update
+#             sudo apt-get install boost1.70
+#             if [[ "${{ matrix.compiler }}" == "g++-6" || "${{ matrix.compiler }}" == "g++-5" ]] ; then
+#                 sudo apt-add-repository ppa:ubuntu-toolchain-r/test
+#                 sudo apt-get update
+#                 sudo apt-get install ${{ matrix.compiler }}
+#             fi
+#       - name: Configure
+#         run: |
+#             mkdir build && cd build
+#             if [[ "${{ matrix.compiler }}" == "g++-8" && ( "${{ matrix.standard }}" == "17" || "${{ matrix.standard }}" == "20" ) ]] ; then
+#                 cmake .. -Dtoml11_BUILD_TEST=ON -DCMAKE_CXX_COMPILER=${{ matrix.compiler }} -DCMAKE_CXX_STANDARD=${{ matrix.standard }} -DTOML11_REQUIRE_FILESYSTEM_LIBRARY=ON
+#             else
+#                 cmake .. -Dtoml11_BUILD_TEST=ON -DCMAKE_CXX_COMPILER=${{ matrix.compiler }} -DCMAKE_CXX_STANDARD=${{ matrix.standard }}
+#             fi
+#       - name: Build
+#         run: |
+#             cd build && cmake --build .
+#       - name: Test
+#         run: |
+#             cd build && ctest --output-on-failure
+#   build-linux-clang:
+#     runs-on: Ubuntu-18.04
+#     strategy:
+#       matrix:
+#         compiler: ['10', '9', '8', '7', '6.0', '5.0', '4.0', '3.9']
+#         standard: ['11', '14', '17', '20']
+#         exclude:
+#             - {compiler: '3.9', standard: '17'}
+#             - {compiler: '4.0', standard: '17'}
+#             - {compiler: '5.0', standard: '17'}
+#             - {compiler: '3.9', standard: '20'}
+#             - {compiler: '4.0', standard: '20'}
+#             - {compiler: '5.0', standard: '20'}
+#             - {compiler: '6.0', standard: '20'}
+#             - {compiler: '7',   standard: '20'}
+#     steps:
+#       - name: Checkout
+#         uses: actions/checkout@v2
+#         with:
+#           submodules: true
+#       - name: Install
+#         run: |
+#             sudo apt-add-repository ppa:mhier/libboost-latest
+#             sudo apt-get update
+#             sudo apt-get install boost1.70
+#             if [[ "${{ matrix.compiler }}" != "6" && "${{ matrix.compiler }}" != "8" && "${{ matrix.compiler }}" != "9" ]] ; then
+#                 sudo apt-add-repository ppa:ubuntu-toolchain-r/test
+#                 sudo apt-get update
+#                 sudo apt-get install clang-${{ matrix.compiler }}
+#             fi
+#       - name: Configure
+#         run: |
+#             mkdir build && cd build
+#             cmake .. -Dtoml11_BUILD_TEST=ON -DCMAKE_C_COMPILER=clang-${{ matrix.compiler }} -DCMAKE_CXX_COMPILER=clang++-${{ matrix.compiler }} -DCMAKE_CXX_STANDARD=${{ matrix.standard }}
+#       - name: Build
+#         run: |
+#             cd build && cmake --build .
+#       - name: Test
+#         run: |
+#             cd build && ctest --output-on-failure
   build-windows-msvc:
     runs-on: windows-2019
     strategy:
@@ -96,6 +96,13 @@ jobs:
         uses: actions/checkout@v2
         with:
           submodules: true
+      - name: Install
+        run: |
+            (New-Object System.Net.WebClient).DownloadFile("https://github.com/actions/boost-versions/releases/download/1.72.0-20200608.4/boost-1.72.0-win32-msvc14.2-x86_64.tar.gz", "$env:TEMP\\boost.tar.gz")
+            7z.exe x "$env:TEMP\\boost.tar.gz" -o"$env:TEMP\\boostArchive" -y | Out-Null
+            7z.exe x "$env:TEMP\\boostArchive" -o"$env:TEMP\\boost" -y | Out-Null
+            Push-Location -Path "$env:TEMP\\boost"
+            Invoke-Expression .\\setup.ps1
       - uses: ilammy/msvc-dev-cmd@v1
       - name: Configure
         shell: cmd
@@ -103,7 +110,7 @@ jobs:
             file --mime-encoding tests/test_literals.cpp
             mkdir build
             cd build
-            cmake ../ -G "NMake Makefiles" -Dtoml11_BUILD_TEST=ON -DCMAKE_CXX_STANDARD=${{ matrix.standard }} -DBoost_ADDITIONAL_VERSIONS=1.72.0 -DBoost_USE_MULTITHREADED=ON -DBoost_ARCHITECTURE=-x64 -DBoost_NO_BOOST_CMAKE=ON -DBOOST_ROOT=%BOOST_ROOT_1_72_0%
+            cmake ../ -G "NMake Makefiles" -Dtoml11_BUILD_TEST=ON -DCMAKE_CXX_STANDARD=${{ matrix.standard }} -DBoost_NO_BOOST_CMAKE=ON -DBOOST_ROOT="C:\\hostedtoolcache\\windows\\Boost\\1.72.0\\x86_64"
       - name: Build
         working-directory: ./build
         run: |