diff --git a/.github/workflows/ci.yaml b/.github/workflows/ci.yaml
index b9636bf..6121502 100644
--- a/.github/workflows/ci.yaml
+++ b/.github/workflows/ci.yaml
@@ -1,13 +1,29 @@
 name: CI
 
-on: [push]
+on: [push, pull_request]
 
 jobs:
-    unit:
+    lint:
         runs-on: ubuntu-latest
 
+        steps:
+            - uses: actions/checkout@v4
+
+            - uses: actions/setup-node@v4
+              with:
+                node-version: '22'
+
+            - run: npm ci
+
+            - run: npm run lint
+
+    unit:
+        runs-on: ${{ matrix.os }}
+
         strategy:
+            fail-fast: false
             matrix:
+                os: [ubuntu-latest, windows-latest]
                 node-version: ['18', '20', '22']
 
         steps:
@@ -19,6 +35,4 @@ jobs:
 
             - run: npm ci
 
-            - run: npm run lint
-
             - run: npm test
diff --git a/README.md b/README.md
index 1ed9252..5faf66a 100644
--- a/README.md
+++ b/README.md
@@ -1,14 +1,12 @@
 # cross-spawn
 
-[![NPM version][npm-image]][npm-url] [![Downloads][downloads-image]][npm-url] [![Build Status][ci-image]][ci-url] [![Build status][appveyor-image]][appveyor-url]
+[![NPM version][npm-image]][npm-url] [![Downloads][downloads-image]][npm-url] [![Build Status][ci-image]][ci-url]
 
 [npm-url]:https://npmjs.org/package/cross-spawn
 [downloads-image]:https://img.shields.io/npm/dm/cross-spawn.svg
 [npm-image]:https://img.shields.io/npm/v/cross-spawn.svg
 [ci-url]:https://github.com/moxystudio/node-cross-spawn/actions/workflows/ci.yaml
 [ci-image]:https://github.com/moxystudio/node-cross-spawn/actions/workflows/ci.yaml/badge.svg
-[appveyor-url]:https://ci.appveyor.com/project/satazor/node-cross-spawn
-[appveyor-image]:https://img.shields.io/appveyor/ci/satazor/node-cross-spawn/master.svg
 
 A cross platform solution to node's spawn and spawnSync.
 
diff --git a/appveyor.yml b/appveyor.yml
deleted file mode 100644
index 51ec227..0000000
--- a/appveyor.yml
+++ /dev/null
@@ -1,27 +0,0 @@
-# http://www.appveyor.com/docs/appveyor-yml
-
-# Fix line endings in Windows
-init:
-  - git config --global core.autocrlf input
-
-environment:
-  matrix:
-    - nodejs_version: 18
-    - nodejs_version: 20
-    - nodejs_version: 22
-
-install:
-  - ps: Install-Product node $env:nodejs_version
-  - ps: |
-      if ($env:npm_version)
-      {
-        npm install -g npm@$env:npm_version
-      }
-  - npm install
-
-build: off
-
-test_script:
-  - node --version
-  - npm --version
-  - cmd: npm test --no-color
diff --git a/test/fixtures/win-ppid.js b/test/fixtures/win-ppid.js
index 8702fbc..156ccfc 100755
--- a/test/fixtures/win-ppid.js
+++ b/test/fixtures/win-ppid.js
@@ -2,14 +2,4 @@
 
 'use strict';
 
-const spawnSync = require('child_process').spawnSync;
-
-function ppidSync() {
-    const res = spawnSync('wmic',
-        ['process', 'where', `(processid=${process.pid})`, 'get', 'parentprocessid']);
-    const lines = res.stdout.toString().split(/\r?\n/);
-
-    return parseInt(lines[1].trim(), 10);
-}
-
-console.log(ppidSync());
+console.log(process.ppid);