diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index e60cc962..4481a6ef 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -31,8 +31,6 @@ jobs:
             os: windows-2025
           - node-version: 14.x
             os: windows-2019
-          - node-version: 13.x
-            os: windows-2019
           - node-version: 12.x
             os: windows-2019
           - node-version: 10.x
diff --git a/README.md b/README.md
index f22a5ef9..7f95f06d 100644
--- a/README.md
+++ b/README.md
@@ -1,7 +1,7 @@
 Native Abstractions for Node.js
 ===============================
 
-**A header file filled with macro and utility goodness for making add-on development for Node.js easier across versions 0.8, 0.10, 0.12, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22 and 23.**
+**A header file filled with macro and utility goodness for making add-on development for Node.js easier across versions 8, 10, 12, 14, 16, 17, 18, 19, 20, 21, and 22.**
 
 ***Current version: 2.22.0***
 
diff --git a/appveyor.yml b/appveyor.yml
index c5e4e910..7a5adc3a 100644
--- a/appveyor.yml
+++ b/appveyor.yml
@@ -1,56 +1,67 @@
 # http://www.appveyor.com/docs/appveyor-yml
+# https://www.appveyor.com/docs/windows-images-software
+# https://nodejs.org/en/about/previous-releases
+# https://devguide.python.org/versions
+
+# Test supported Node.js versions before unsupported versions.
+# Run on the most current Visual Studio possible for each nodejs_version.
+# Run on the earliest supported Python version when possible (currently py39).
+# For all supported Node.js versions test also on the latest Python (currently py313).
 
 image:
-  - Visual Studio 2017
+  - Visual Studio 2022
 
-# Test against these versions of Io.js and Node.js.
 environment:
-  matrix:
-  # node.js
-    - nodejs_version: "0.10"
-    - nodejs_version: "0.12"
-    - nodejs_version: "4"
-    - nodejs_version: "5"
-    - nodejs_version: "6"
-    - nodejs_version: "7"
-    - nodejs_version: "8"
-    - nodejs_version: "9"
-    - nodejs_version: "10"
-    - nodejs_version: "11"
-    - nodejs_version: "12"
-    - nodejs_version: "13"
-    - nodejs_version: "14"
-    - nodejs_version: "15"
-    - nodejs_version: "16"
-    - nodejs_version: "17"
-    - nodejs_version: "18"
-    - nodejs_version: "19"
-    - nodejs_version: "20"
+  NODE_GYP_FORCE_PYTHON: C:\Python39-x64\python.exe
+  matrix:  # Test against these versions of Io.js and Node.js.
+    # - nodejs_version: "23"  # Enable after nodejs/nan#979 or similar.
+    - nodejs_version: "22"
+    - nodejs_version: "22"
+      NODE_GYP_FORCE_PYTHON: C:\Python312-x64\python.exe
     - nodejs_version: "21"
-    - APPVEYOR_BUILD_WORKER_IMAGE: Visual Studio 2022
-      nodejs_version: "22"
-    - APPVEYOR_BUILD_WORKER_IMAGE: Visual Studio 2022
-      nodejs_version: "23"
+    - nodejs_version: "20"
+    - nodejs_version: "19"
+    - nodejs_version: "18"
+    - nodejs_version: "17"
+    - nodejs_version: "16"
+    - nodejs_version: "14"
+      APPVEYOR_BUILD_WORKER_IMAGE: Visual Studio 2019
+    - nodejs_version: "12"
+      APPVEYOR_BUILD_WORKER_IMAGE: Visual Studio 2019
+    - nodejs_version: "10"
+      APPVEYOR_BUILD_WORKER_IMAGE: Visual Studio 2019
+    - nodejs_version: "8"
+      APPVEYOR_BUILD_WORKER_IMAGE: Visual Studio 2019
+
+matrix:
+  fast_finish: true
 
 # Install scripts. (runs after repo cloning)
 install:
+  # Output useful info for debugging.
+  - node --version
+  - npm --version
+  - py --list
+  - py -VV          # py is 64-bit AMD64 Python 3 on Visual Studio images
+  - python -VV  # python is 32-bit Intel Python 3 on Visual Studio images
   # Get the latest stable version of Node 0.STABLE.latest
   - ps: Update-NodeJsInstallation (Get-NodeJsLatestBuild $env:nodejs_version) x64
-  - IF %nodejs_version% LSS 4 npm -g install npm@2
-  - IF %nodejs_version% EQU 5 npm -g install npm@3
+  - node --version
   - set PATH=%APPDATA%\npm;%PATH%
   # Typical npm stuff.
   - npm install
-  - IF %nodejs_version% GEQ 22 set NODE_GYP_FORCE_PYTHON=C:\Python38-x64\python.exe
-  - IF %nodejs_version% LSS 8 (npm run rebuild-tests-2015) ELSE (npm run rebuild-tests)
+  - npm run rebuild-tests
 
 # Post-install test scripts.
 test_script:
   # Output useful info for debugging.
   - node --version
   - npm --version
+  - py --list
+  - py -VV          # py is 64-bit AMD64 Python 3 on Visual Studio images
+  - python -VV  # python is 32-bit Intel Python 3 on Visual Studio images
   # run tests
-  - IF %nodejs_version% LSS 1 (npm test) ELSE (IF %nodejs_version% LSS 4 (iojs node_modules\tap\bin\tap.js --gc test/js/*-test.js) ELSE (node node_modules\tap\bin\tap.js --gc test/js/*-test.js))
+  - node node_modules\tap\bin\tap.js --gc test/js/*-test.js
 
 # Don't actually build.
 build: off