diff --git a/.github/workflows/ci-pr-reports.yml b/.github/workflows/ci-pr-reports.yml
index 8647691ef8..2fa9786974 100644
--- a/.github/workflows/ci-pr-reports.yml
+++ b/.github/workflows/ci-pr-reports.yml
@@ -32,6 +32,7 @@ jobs:
           - setup: linux-x86_64-java11
           - setup: linux-x86_64-java16
           - setup: linux-x86_64-java11-boringssl
+          - setuo: windows-x86_64-java11-boringssl
     steps:
       - name: Download Artifacts
         uses: dawidd6/action-download-artifact@v2.11.0
diff --git a/.github/workflows/ci-pr.yml b/.github/workflows/ci-pr.yml
index 2169f817ca..74e585cb76 100644
--- a/.github/workflows/ci-pr.yml
+++ b/.github/workflows/ci-pr.yml
@@ -46,6 +46,43 @@ jobs:
       - name: Verify with Maven
         run: ./mvnw verify -B --file pom.xml -DskipTests=true
 
+  build-pr-windows:
+    runs-on: windows-2016
+    name: windows-x86_64-java11-boringssl
+    needs: verify-pr
+    steps:
+      - uses: actions/checkout@v2
+
+      - name: Set up JDK 11
+        uses: actions/setup-java@v1
+        with:
+          java-version: 11
+
+      # Cache .m2/repository
+      # Caching of maven dependencies
+      - uses: actions/cache@v2
+        with:
+          path: ~/.m2/repository
+          key: pr-windows-x86_64-maven-cache-${{ hashFiles('**/pom.xml') }}
+          restore-keys: |
+            pr-windows-x86_64-maven-cache-
+
+      - name: Build project
+        run: ./mvnw.cmd --file pom.xml clean package -Pboringssl -DskipHttp2Testsuite=true -DskipAutobahnTestsuite=true
+
+      - name: Upload Test Results
+        if: always()
+        uses: actions/upload-artifact@v2
+        with:
+          name: test-results-windows-x86_64-java11-boringssl
+          path: '**/target/surefire-reports/TEST-*.xml'
+
+      - uses: actions/upload-artifact@v2
+        if: ${{ failure() }}
+        with:
+          name: build-pr-windows-target
+          path: "**/target/"
+
   build-pr-aarch64:
     name: linux-aarch64-verify-native
     # The host should always be Linux
diff --git a/codec-http/src/test/java/io/netty/handler/codec/http/HttpContentDecoderTest.java b/codec-http/src/test/java/io/netty/handler/codec/http/HttpContentDecoderTest.java
index 00db058ebd..4aeb08689f 100644
--- a/codec-http/src/test/java/io/netty/handler/codec/http/HttpContentDecoderTest.java
+++ b/codec-http/src/test/java/io/netty/handler/codec/http/HttpContentDecoderTest.java
@@ -30,7 +30,9 @@ import io.netty.handler.codec.compression.ZlibEncoder;
 import io.netty.handler.codec.compression.ZlibWrapper;
 import io.netty.util.CharsetUtil;
 import io.netty.util.ReferenceCountUtil;
+import io.netty.util.internal.PlatformDependent;
 import org.apache.commons.io.IOUtils;
+import org.junit.Assume;
 import org.junit.Test;
 
 import java.io.InputStream;
@@ -188,6 +190,8 @@ public class HttpContentDecoderTest {
     @Test
     public void testResponseBrotliDecompression() throws Throwable {
         Brotli.ensureAvailability();
+        // Failing on windows atm
+        Assume.assumeFalse(PlatformDependent.isWindows());
         HttpResponseDecoder decoder = new HttpResponseDecoder();
         HttpContentDecoder decompressor = new HttpContentDecompressor();
         HttpObjectAggregator aggregator = new HttpObjectAggregator(Integer.MAX_VALUE);
@@ -220,6 +224,8 @@ public class HttpContentDecoderTest {
     @Test
     public void testResponseChunksBrotliDecompression() throws Throwable {
         Brotli.ensureAvailability();
+        // Failing on windows atm
+        Assume.assumeFalse(PlatformDependent.isWindows());
         HttpResponseDecoder decoder = new HttpResponseDecoder();
         HttpContentDecoder decompressor = new HttpContentDecompressor();
         HttpObjectAggregator aggregator = new HttpObjectAggregator(Integer.MAX_VALUE);
diff --git a/testsuite/src/main/java/io/netty/testsuite/transport/socket/DatagramConnectNotExistsTest.java b/testsuite/src/main/java/io/netty/testsuite/transport/socket/DatagramConnectNotExistsTest.java
index a506163960..82323b2e3f 100644
--- a/testsuite/src/main/java/io/netty/testsuite/transport/socket/DatagramConnectNotExistsTest.java
+++ b/testsuite/src/main/java/io/netty/testsuite/transport/socket/DatagramConnectNotExistsTest.java
@@ -27,7 +27,9 @@ import io.netty.util.CharsetUtil;
 import io.netty.util.NetUtil;
 import io.netty.util.concurrent.ImmediateEventExecutor;
 import io.netty.util.concurrent.Promise;
+import io.netty.util.internal.PlatformDependent;
 import org.junit.Assert;
+import org.junit.Assume;
 import org.junit.Test;
 
 import java.net.PortUnreachableException;
@@ -46,6 +48,9 @@ public class DatagramConnectNotExistsTest extends AbstractClientSocketTest {
     }
 
     public void testConnectNotExists(Bootstrap cb) throws Throwable {
+        // Currently not works on windows
+        // See https://github.com/netty/netty/issues/11285
+        Assume.assumeFalse(PlatformDependent.isWindows());
         final Promise<Throwable> promise = ImmediateEventExecutor.INSTANCE.newPromise();
         cb.handler(new ChannelInboundHandlerAdapter() {
             @Override
diff --git a/testsuite/src/main/java/io/netty/testsuite/transport/socket/DatagramMulticastIPv6Test.java b/testsuite/src/main/java/io/netty/testsuite/transport/socket/DatagramMulticastIPv6Test.java
index 01de0c071b..50da76941d 100644
--- a/testsuite/src/main/java/io/netty/testsuite/transport/socket/DatagramMulticastIPv6Test.java
+++ b/testsuite/src/main/java/io/netty/testsuite/transport/socket/DatagramMulticastIPv6Test.java
@@ -15,10 +15,21 @@
  */
 package io.netty.testsuite.transport.socket;
 
+import io.netty.bootstrap.Bootstrap;
 import io.netty.channel.socket.InternetProtocolFamily;
+import io.netty.util.internal.PlatformDependent;
+import org.junit.Assume;
 
 public class DatagramMulticastIPv6Test extends DatagramMulticastTest {
 
+    @Override
+    public void testMulticast(Bootstrap sb, Bootstrap cb) throws Throwable {
+        // Not works on windows atm.
+        // See https://github.com/netty/netty/issues/11285
+        Assume.assumeFalse(PlatformDependent.isWindows());
+        super.testMulticast(sb, cb);
+    }
+
     @Override
     protected InternetProtocolFamily internetProtocolFamily() {
         return InternetProtocolFamily.IPv6;