diff --git a/.github/workflows/everything.yml b/.github/workflows/everything.yml
index f75308e8b4..9ce50c0699 100644
--- a/.github/workflows/everything.yml
+++ b/.github/workflows/everything.yml
@@ -110,7 +110,7 @@ jobs:
 
   ubuntu:
     needs: [format, git_checks]
-    if: needs.git_checks.outputs.num_code_changes > 0
+    if: false
 
     runs-on: ubuntu-20.04
     container:
@@ -208,7 +208,7 @@ jobs:
 
   el8:
     needs: [format, git_checks]
-    if: needs.git_checks.outputs.num_code_changes > 0
+    if: false
 
     runs-on: ubuntu-latest
     container:
@@ -272,7 +272,7 @@ jobs:
 
   macos:
     needs: [format, git_checks]
-    if: needs.git_checks.outputs.num_code_changes > 0
+    if: false
 
     runs-on: ${{ matrix.image }}
     env:
@@ -361,25 +361,11 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        os: [win2019, win2022]
+        os: [win2022]
         shared: [shared]
-        parallel: [msmpi]
-        include:
-          - os: win2019
-            image: windows-2019
-            compiler: vs2019
-          - os: win2022
-            image: windows-2022
-            compiler: vs2022
-          - os: win2022
-            image: windows-2022
-            compiler: vs2022
-            parallel: serial
-          - os: win2022
-            image: windows-2022
-            shared: static
-            compiler: vs2022
-            parallel: serial
+        parallel: [serial]
+        image: [windows-2022]
+        compiler: [mingw64]
 
     defaults:
       run:
@@ -411,7 +397,7 @@ jobs:
 
   docker:
     needs: [format, git_checks]
-    if: needs.git_checks.outputs.num_code_changes > 0
+    if:  false
 
     runs-on: ubuntu-latest
     strategy:
@@ -476,7 +462,7 @@ jobs:
   # standard container job.
   contract:
     needs: [format, git_checks, docker]
-    if: needs.git_checks.outputs.num_code_changes > 0
+    if: false
 
     runs-on: ubuntu-latest
     strategy:
diff --git a/.github/workflows/pypackaging.yml b/.github/workflows/pypackaging.yml
index b122d028ed..b574ca6b66 100644
--- a/.github/workflows/pypackaging.yml
+++ b/.github/workflows/pypackaging.yml
@@ -40,6 +40,7 @@ jobs:
           overwrite: true
 
   build_wheels:
+    if: false
     name: Wheel on ${{ matrix.os }}
     runs-on: ${{ matrix.os }}
     strategy:
diff --git a/scripts/ci/cmake/ci-win2022-mingw64-serial.cmake b/scripts/ci/cmake/ci-win2022-mingw64-serial.cmake
new file mode 100644
index 0000000000..3e6b42f9bf
--- /dev/null
+++ b/scripts/ci/cmake/ci-win2022-mingw64-serial.cmake
@@ -0,0 +1,15 @@
+set(dashboard_cache "
+BUILD_TESTING:BOOL=ON
+ADIOS2_BUILD_EXAMPLES:BOOL=ON
+
+ADIOS2_USE_BZip2:BOOL=OFF
+ADIOS2_USE_Fortran:BOOL=OFF
+ADIOS2_USE_MPI:BOOL=OFF
+ADIOS2_USE_HDF5:STRING=ON
+ADIOS2_USE_Python:BOOL=OFF
+ADIOS2_USE_HDF5_VOL:STRING=OFF
+")
+
+set(CTEST_CMAKE_GENERATOR "MinGW Makefiles")
+list(APPEND CTEST_UPDATE_NOTES_FILES "${CMAKE_CURRENT_LIST_FILE}")
+include(${CMAKE_CURRENT_LIST_DIR}/ci-common.cmake)
diff --git a/scripts/ci/gh-actions/conda-env-win.yml b/scripts/ci/gh-actions/conda-env-win.yml
index caa15f2ca2..819fa6aa63 100644
--- a/scripts/ci/gh-actions/conda-env-win.yml
+++ b/scripts/ci/gh-actions/conda-env-win.yml
@@ -6,3 +6,5 @@ dependencies:
   - numpy>=1.19
   - python=3.10
   - hdf5
+  - m2w64-dlfcn
+  - m2w64-toolchain
diff --git a/scripts/ci/gh-actions/windows-setup.ps1 b/scripts/ci/gh-actions/windows-setup.ps1
index a483dfabe4..0b4e2596f2 100644
--- a/scripts/ci/gh-actions/windows-setup.ps1
+++ b/scripts/ci/gh-actions/windows-setup.ps1
@@ -4,6 +4,10 @@ Write-Host "::group::Setup CONDA"
 $Env:Path += ";$Env:CONDA\condabin"
 conda.bat init powershell
 conda.bat init bash
+conda.bat update --all -y
+conda.bat config --add channels conda-forge
+conda.bat config --add channels msys2
+conda.bat config --set channel_priority strict
 Write-Host "::endgroup::"
 
 Write-Host "::group::Installing common deps"
@@ -16,3 +20,6 @@ if($Env:GH_YML_MATRIX_PARALLEL -eq "msmpi")
   conda.bat install -n adios2 -c conda-forge -y "msmpi" "mpi4py"
   Write-Host "::endgroup::"
 }
+
+conda.bat list -n adios2
+conda.bat info --verbose