diff --git a/.github/workflows/action.yml b/.github/workflows/action.yml
index 980585d2e..3b4f6674b 100644
--- a/.github/workflows/action.yml
+++ b/.github/workflows/action.yml
@@ -9,8 +9,8 @@ jobs:
       matrix:
         os:
           - ubuntu-latest
-#           - windows-latest
-#           - macOS-latest
+          - windows-latest
+          - macOS-latest
         nim-version:
           - stable
           - devel
diff --git a/azure-pipelines.yml b/azure-pipelines.yml
index 82fbeaec1..91e92091e 100644
--- a/azure-pipelines.yml
+++ b/azure-pipelines.yml
@@ -1,26 +1,26 @@
 strategy:
   maxParallel: 10
   matrix:
-    # Windows_stable_64bit:
-    #   VM: 'windows-latest'
-    #   UCPU: amd64
-    #   CHANNEL: stable
-    #   TEST_LANG: c
-    #     Windows_devel_64bit:
-    #       VM: 'windows-latest'
-    #       UCPU: amd64
-    #       CHANNEL: devel
-    #       TEST_LANG: c
-    #     Windows_cpp_devel_64bit:
-    #       VM: 'windows-latest'
-    #       UCPU: amd64
-    #       CHANNEL: devel
-    #       TEST_LANG: cpp
-    # Linux_stable_64bit:
-    #   VM: 'ubuntu-latest'
-    #   UCPU: amd64
-    #   CHANNEL: stable
-    #   TEST_LANG: c
+    Windows_stable_64bit:
+      VM: 'windows-latest'
+      UCPU: amd64
+      CHANNEL: stable
+      TEST_LANG: c
+        Windows_devel_64bit:
+          VM: 'windows-latest'
+          UCPU: amd64
+          CHANNEL: devel
+          TEST_LANG: c
+        Windows_cpp_devel_64bit:
+          VM: 'windows-latest'
+          UCPU: amd64
+          CHANNEL: devel
+          TEST_LANG: cpp
+    Linux_stable_64bit:
+      VM: 'ubuntu-latest'
+      UCPU: amd64
+      CHANNEL: stable
+      TEST_LANG: c
     Linux_devel_64bit:
       VM: 'ubuntu-latest'
       UCPU: amd64
@@ -31,16 +31,16 @@ strategy:
       UCPU: amd64
       CHANNEL: devel
       TEST_LANG: cpp
-    # MacOS_stable_64bit:
-    #   VM: 'macOS-latest'
-    #   UCPU: amd64
-    #   CHANNEL: stable
-    #   TEST_LANG: c
-    #     MacOS_devel_64bit:
-    #       VM: 'macOS-latest'
-    #       UCPU: amd64
-    #       CHANNEL: devel
-    #       TEST_LANG: c
+    MacOS_stable_64bit:
+      VM: 'macOS-latest'
+      UCPU: amd64
+      CHANNEL: stable
+      TEST_LANG: c
+        MacOS_devel_64bit:
+          VM: 'macOS-latest'
+          UCPU: amd64
+          CHANNEL: devel
+          TEST_LANG: c
 pool:
   vmImage: $(VM)