diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
new file mode 100644
index 0000000000000..f31872f213144
--- /dev/null
+++ b/.github/workflows/ci.yml
@@ -0,0 +1,48 @@
+name: Tests
+
+on:
+  pull_request:
+  push:
+  workflow_dispatch:
+
+jobs:
+  test_powershell:
+    name: WindowsPowerShell
+    runs-on: windows-latest
+    steps:
+      - name: Checkout Bucket
+        uses: actions/checkout@v2
+        with:
+          fetch-depth: 2
+          path: 'my_bucket'
+      - name: Checkout Scoop
+        uses: actions/checkout@v2
+        with:
+          repository: ScoopInstaller/Scoop
+          path: 'scoop_core'
+      - name: Init and Test
+        shell: powershell
+        run: |
+          $env:SCOOP_HOME="$(Resolve-Path '.\scoop_core')"
+          .\scoop_core\test\bin\init.ps1
+          .\my_bucket\bin\test.ps1
+  test_pwsh:
+    name: PowerShell
+    runs-on: windows-latest
+    steps:
+      - name: Checkout Bucket
+        uses: actions/checkout@v2
+        with:
+          fetch-depth: 2
+          path: 'my_bucket'
+      - name: Checkout Scoop
+        uses: actions/checkout@v2
+        with:
+          repository: ScoopInstaller/Scoop
+          path: 'scoop_core'
+      - name: Init and Test
+        shell: pwsh
+        run: |
+          $env:SCOOP_HOME="$(Resolve-Path '.\scoop_core')"
+          .\scoop_core\test\bin\init.ps1
+          .\my_bucket\bin\test.ps1
diff --git a/README.md b/README.md
index 598b42954b742..e3bae563be6d4 100644
--- a/README.md
+++ b/README.md
@@ -1,4 +1,4 @@
-# Scoop Main [![Build Status](https://ci.appveyor.com/api/projects/status/3i3h4mv47pnda41y?svg=true)](https://ci.appveyor.com/project/r15ch13/scoopinstaller-main "Build Status") [![Excavator](https://github.com/ScoopInstaller/Main/actions/workflows/excavator.yml/badge.svg)](https://github.com/ScoopInstaller/Main/actions/workflows/excavator.yml)
+# Scoop Main [![Tests](https://github.com/ScoopInstaller/Main/actions/workflows/ci.yml/badge.svg)](https://github.com/ScoopInstaller/Main/actions/workflows/ci.yml) [![Excavator](https://github.com/ScoopInstaller/Main/actions/workflows/excavator.yml/badge.svg)](https://github.com/ScoopInstaller/Main/actions/workflows/excavator.yml)
 
 Core manifests for [Scoop](https://scoop.sh), the Windows command-line installer. For manifests that fit the [Main criteria](https://github.com/ScoopInstaller/Scoop/wiki/Criteria-for-including-apps-in-the-main-bucket).
 
diff --git a/appveyor.yml b/appveyor.yml
deleted file mode 100644
index 69efdaf7030f2..0000000000000
--- a/appveyor.yml
+++ /dev/null
@@ -1,39 +0,0 @@
-version: "{build}-{branch}"
-branches:
-  except:
-    - gh-pages
-build: off
-deploy: off
-clone_depth: 2
-image: Visual Studio 2019
-environment:
-  scoop: C:\projects\scoop
-  scoop_home: C:\projects\scoop
-  scoop_helpers: C:\projects\helpers
-  lessmsi: '%scoop_helpers%\lessmsi\lessmsi.exe'
-  innounp: '%scoop_helpers%\innounp\innounp.exe'
-  matrix:
-    - PowerShell: 5
-    - PowerShell: Current
-cache:
-  - '%USERPROFILE%\Documents\WindowsPowerShell\Modules -> appveyor.yml'
-  - C:\projects\helpers  -> appveyor.yml, test\bin\*.ps1
-matrix:
-  fast_finish: true
-init:
-  - ps: if(!(Test-Path "$env:SCOOP")) { git clone -q --depth=1 "https://github.com/ScoopInstaller/Scoop" "$env:SCOOP" }
-for:
-  - matrix:
-      only:
-        - PowerShell: 5
-    install:
-      - ps: . "$env:SCOOP_HOME\test\bin\init.ps1"
-    test_script:
-      - ps: . "$env:SCOOP_HOME\test\bin\test.ps1" -TestPath "$env:APPVEYOR_BUILD_FOLDER"
-  - matrix:
-      only:
-        - PowerShell: Current
-    install:
-      - pwsh: . "$env:SCOOP_HOME\test\bin\init.ps1"
-    test_script:
-      - pwsh: . "$env:SCOOP_HOME\test\bin\test.ps1" -TestPath "$env:APPVEYOR_BUILD_FOLDER"
diff --git a/bin/test.ps1 b/bin/test.ps1
index fc150a557e56c..6a741d9bad049 100644
--- a/bin/test.ps1
+++ b/bin/test.ps1
@@ -1,4 +1,5 @@
-#requires -Modules @{ ModuleName = 'Pester'; ModuleVersion = '4.4.0' }
+#Requires -Modules @{ ModuleName = 'Pester'; MaximumVersion = '4.99' }
 
 if(!$env:SCOOP_HOME) { $env:SCOOP_HOME = Resolve-Path (scoop prefix scoop) }
-Invoke-Pester "$psscriptroot/.."
+$result = Invoke-Pester "$psscriptroot/.." -PassThru
+exit $result.FailedCount