diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
new file mode 100644
index 00000000..1d16d7a8
--- /dev/null
+++ b/.github/workflows/ci.yml
@@ -0,0 +1,71 @@
+name: CI
+
+on:
+  push:
+    branches:
+      - trying
+      - staging
+
+jobs:
+  test:
+    strategy:
+      matrix:
+        os: ["ubuntu-latest", "windows-latest", "macos-latest"]
+    runs-on: ${{ matrix.os }}
+    steps:
+    - uses: actions/checkout@v2
+    - uses: actions-rs/toolchain@v1
+      with:
+        toolchain: 1.54.0
+        profile: minimal
+        components: rustfmt, clippy
+
+    - uses: actions/setup-node@v2
+      if: matrix.os == 'windows-latest'
+      with:
+        node-version: '16'
+
+    - name: Test
+      if: matrix.os == 'ubuntu-latest' || matrix.os == 'macos-latest'
+      env:
+        CARGO_TARGET_X86_64_UNKNOWN_LINUX_GNU_RUNNER: sudo -E
+        CARGO_TARGET_X86_64_APPLE_DARWIN_RUNNER: sudo -E
+        RUSTFLAGS: -D warnings
+      run: cargo test --all --all-targets --all-features --locked
+
+    - name: Integration Test
+      if: matrix.os == 'ubuntu-latest'
+      run: |
+        set -ex
+        sudo apt-get update
+        sudo apt-get install -yqq wireguard net-tools
+        cargo build
+        cd ns-test
+        sudo ./integration-test.sh
+        sudo ./interop-test.sh
+
+    - name: Test
+      if: matrix.os == 'windows-latest'
+      shell: bash
+      env:
+        RUSTFLAGS: -D warnings
+        TESTING: 1
+      run: |
+        set -ex
+        cd windows-gui-client && yarn && yarn build && cd ..
+        cargo test --all --all-targets --locked
+
+    - name: Check Fuzz
+      if: matrix.os == 'ubuntu-latest'
+      run: cd fuzz && cargo check --locked
+
+    - name: Fmt check
+      if: matrix.os == 'macos-latest'
+      run: |
+        set -ex
+        cargo fmt --all -- --check
+        cargo run --example check-copyright
+        cd fuzz && cargo fmt -- --check
+
+    - name: Clippy
+      run: cargo clippy --all --all-targets -- -D clippy::all
diff --git a/.github/workflows/dependabot-update-fuzz-too.yml b/.github/workflows/dependabot-update-fuzz-too.yml
deleted file mode 100644
index 1085a54d..00000000
--- a/.github/workflows/dependabot-update-fuzz-too.yml
+++ /dev/null
@@ -1,27 +0,0 @@
-name: update fuzz
-
-on:
-  push:
-    branches: dependabot/cargo/*
-
-jobs:
-  build:
-    runs-on: ubuntu-latest
-    steps:
-    - uses: actions/checkout@v1
-    - uses: actions-rs/toolchain@v1
-      with:
-        toolchain: stable
-        profile: minimal
-    - name: Update fuzz
-      run: |
-        cd fuzz
-        cargo check
-        git config --global user.name "Yin Guanhao"
-        git config --global user.email "sopium@users.noreply.github.com"
-        git remote set-url origin https://x-access-token:${{ secrets.GITHUB_TOKEN }}@github.com/$GITHUB_REPOSITORY
-        git checkout "${GITHUB_REF:11}"
-        git add .
-        git commit --amend --no-edit || exit 0
-        git status
-        git push --force-with-lease
diff --git a/.github/workflows/release.yml b/.github/workflows/release.yml
new file mode 100644
index 00000000..f4d4634e
--- /dev/null
+++ b/.github/workflows/release.yml
@@ -0,0 +1,48 @@
+name: Release
+
+on:
+  push:
+    tags:
+      - "v*.*.*"
+
+jobs:
+  release:
+    strategy:
+      matrix:
+        os: ["ubuntu-latest", "windows-latest", "macos-latest"]
+    runs-on: ${{ matrix.os }}
+    steps:
+    - uses: actions/checkout@v2
+    - uses: actions-rs/toolchain@v1
+      with:
+        toolchain: 1.54.0
+        profile: minimal
+        components: rustfmt, clippy
+
+    - uses: actions/setup-node@v2
+      if: matrix.os == 'windows-latest'
+      with:
+        node-version: '16'
+
+    - if: matrix.os == 'windows-latest'
+      uses: microsoft/setup-msbuild@v1.0.2
+
+    - name: Build (Windows)
+      if: matrix.os == 'windows-latest'
+      run: |
+        cd windows-gui-client && yarn && yarn build && cd ..
+        cargo build --release
+        msbuild windows-gui-installer/titun-windows-gui-installer.sln /property:Configuration=Release /property:Platform=x64
+        cp windows-gui-installer/installer/bin/Release/titun.msi titun-$(uname -m).msi
+
+    - name: Build (linux/macos)
+      if: matrix.os == 'macos-latest' || matrix.os == 'ubuntu-latest'
+      run: cargo build --release && xz --stdout target/release/titun > target/release/titun-$(uname -m)-${{ matrix.os == 'ubuntu-latest' && 'linux' || 'macos' }}.xz
+
+    - name: Release
+      uses: softprops/action-gh-release@v1
+      with:
+        draft: true
+        files: |
+          target/release/titun-*
+          titun-*.msi
diff --git a/azure-pipelines.yml b/azure-pipelines.yml
deleted file mode 100644
index f18381b0..00000000
--- a/azure-pipelines.yml
+++ /dev/null
@@ -1,217 +0,0 @@
-# Starter pipeline
-# Start with a minimal pipeline that you can customize to build and deploy your code.
-# Add steps that build, run tests, deploy, and more:
-# https://aka.ms/yaml
-
-trigger:
-- staging
-- trying
-
-pr: none
-
-jobs:
-# Check formatting
-- job: rustfmt
-  displayName: Check foramtting
-  pool:
-    vmImage: ubuntu-20.04
-  steps:
-    - template: ci/azure-install-rust.yml
-      parameters:
-        rust_version: stable
-    - script: |
-        set -ex
-        rustup component add rustfmt
-        cargo fmt --version
-      displayName: Install rustfmt
-    - script: |
-        set -ex
-        cargo fmt --all -- --check
-        cd fuzz && cargo fmt -- --check
-      displayName: Check formatting
-    - script: cargo run --example check-copyright
-      displayName: Check copyright headers
-
-# Speed up CI by running clippy in its own jobs.
-- job: clippy
-  displayName: clippy
-  pool:
-    vmImage: ubuntu-20.04
-  steps:
-    - template: ci/azure-install-rust.yml
-      parameters:
-        rust_version: stable
-    - script: |
-        rustup component add clippy &&
-        cargo clippy --all-targets -- -D clippy::all
-      displayName: Run clippy
-
-- job: test
-  displayName: Test
-  pool:
-    vmImage: ubuntu-20.04
-  variables:
-    # Use kcov to collect coverage.
-    RUSTFLAGS: -Clink-dead-code -D warnings
-    # CARGO_TARGET_X86_64_UNKNOWN_LINUX_GNU_RUNNER: sudo -E kcov --verify --include-pattern=titun/src coverage
-    CARGO_TARGET_X86_64_UNKNOWN_LINUX_GNU_RUNNER: sudo -E
-  steps:
-    - template: ci/azure-install-rust.yml
-      parameters:
-        rust_version: stable
-    - script: |
-        set -ex
-        sudo apt-get update
-        sudo apt-get install -yqq wireguard net-tools
-      displayName: Install WireGuard Kernel Module and Tools
-    # - script: |
-    #     set -ex
-    #     sudo apt-get install -yqq libcurl4-openssl-dev libelf-dev libdw-dev cmake gcc binutils-dev libiberty-dev
-    #     wget https://github.com/SimonKagstrom/kcov/archive/master.tar.gz
-    #     tar xzf master.tar.gz
-    #     cd kcov-master
-    #     mkdir build
-    #     cd build
-    #     cmake ..
-    #     make
-    #     sudo make install
-    #     cd ../..
-    #     rm -rf kcov-master
-    #   displayName: Install kcov
-    - script: cargo test --lib --benches --locked --features=sudo-tests
-      displayName: Run tests
-    - script: |
-        set -ex
-        cargo build
-        cd ns-test
-        sudo ./integration-test.sh
-        sudo ./interop-test.sh
-      displayName: Run Integration Test
-    # - script: bash <(curl -s https://codecov.io/bash)
-    #   displayName: Upload code coverage info to codecov.io
-
-- job: macOS_test
-  displayName: Test on MacOS
-  variables:
-    # Deny warnings
-    RUSTFLAGS: -D warnings
-  pool:
-    vmImage: macOS-latest
-  steps:
-    - template: ci/azure-install-rust.yml
-      parameters:
-        rust_version: stable-x86_64-apple-darwin
-    - script: cargo test --lib --benches --locked
-      displayName: Run tests
-
-- job: macOS_clippy
-  displayName: Clippy on MacOS
-  pool:
-    vmImage: macOS-latest
-  steps:
-    - template: ci/azure-install-rust.yml
-      parameters:
-        rust_version: stable-x86_64-apple-darwin
-    - bash: |
-        rustup component add clippy &&
-        cargo clippy --all-targets -- -D clippy::all
-      displayName: Run clippy
-
-- job: windows_clippy
-  displayName: Clippy on Windows
-  pool:
-    vmImage: windows-2019
-  steps:
-    - template: ci/azure-install-rust.yml
-      parameters:
-        rust_version: stable-x86_64-pc-windows-msvc
-    - bash: |
-        rustup component add clippy &&
-        cargo clippy --all-targets -- -D clippy::all
-      displayName: Run clippy
-
-- job: windows_test
-  displayName: Test on Windows
-  variables:
-    # Deny warnings
-    RUSTFLAGS: -D warnings
-  pool:
-    vmImage: windows-2019
-  steps:
-    - template: ci/azure-install-rust.yml
-      parameters:
-        rust_version: stable-x86_64-pc-windows-msvc
-    - script: cargo test --lib --benches --locked
-      displayName: Run tests
-
-- job: check_fuzz
-  displayName: Check Fuzz
-  pool:
-    vmImage: ubuntu-20.04
-  steps:
-    - template: ci/azure-install-rust.yml
-      parameters:
-        rust_version: stable
-    - script: cd fuzz && cargo check --locked
-      displayName: Check fuzz
-
-- job: cross_test_aarch64
-  displayName: Cross test for aarch64
-  variables:
-    # Deny warnings
-    RUSTFLAGS: -D warnings
-  pool:
-    vmImage: ubuntu-20.04
-  steps:
-    - template: ci/azure-install-rust.yml
-      parameters:
-        rust_version: stable
-    - script: |
-        set -ex
-        rustup target add aarch64-unknown-linux-gnu
-        sudo apt-get update
-        sudo apt-get install -yqq gcc-aarch64-linux-gnu qemu-user-static
-        cargo test --locked --target aarch64-unknown-linux-gnu
-      env:
-        CARGO_TARGET_AARCH64_UNKNOWN_LINUX_GNU_LINKER: aarch64-linux-gnu-gcc
-        CARGO_TARGET_AARCH64_UNKNOWN_LINUX_GNU_RUNNER: qemu-aarch64-static -L /usr/aarch64-linux-gnu
-      displayName: Run tests
-
-- job: cross_test_mipsel
-  displayName: Cross test for mipsel
-  variables:
-    # Deny warnings
-    RUSTFLAGS: -D warnings
-  pool:
-    vmImage: ubuntu-20.04
-  steps:
-    - template: ci/azure-install-rust.yml
-      parameters:
-        rust_version: stable
-    - script: |
-        set -ex
-        rustup target add mipsel-unknown-linux-gnu
-        sudo apt-get update
-        sudo apt-get install -yqq gcc-mipsel-linux-gnu qemu-user-static
-        cargo test --locked --target mipsel-unknown-linux-gnu
-      env:
-        CARGO_TARGET_MIPSEL_UNKNOWN_LINUX_GNU_LINKER: mipsel-linux-gnu-gcc
-        CARGO_TARGET_MIPSEL_UNKNOWN_LINUX_GNU_RUNNER: qemu-mipsel-static -L /usr/mipsel-linux-gnu
-      displayName: Run tests
-
-- job: cross_check_freebsd
-  displayName: Cross check for freebsd
-  variables:
-    # Deny warnings
-    RUSTFLAGS: -D warnings
-  pool:
-    vmImage: ubuntu-20.04
-  steps:
-    - template: ci/azure-install-rust.yml
-      parameters:
-        rust_version: stable
-    - script: |
-        set -ex
-        rustup target add x86_64-unknown-freebsd
-        cargo check --locked --all-targets --target x86_64-unknown-freebsd
-      displayName: Check
diff --git a/bors.toml b/bors.toml
index 07a439be..8748bfa2 100644
--- a/bors.toml
+++ b/bors.toml
@@ -1,2 +1,6 @@
-status = ["sopium.titun"]
+status = [
+    "test (ubuntu-latest)",
+    "test (windows-latest)",
+    "test (macos-latest)",
+]
 delete_merged_branches = true