diff --git a/addon/installTasks.py b/addon/installTasks.py
index 08d97d7e..36a29813 100755
--- a/addon/installTasks.py
+++ b/addon/installTasks.py
@@ -15,8 +15,8 @@
 
 def onInstall():
 	currentWinVer = winVersion.getWinVer()
-	# StationPlaylist add-on requires 64-bit Windows 10 22H2 or later.
-	minimumWinVer = winVersion.WIN10_22H2
+	# StationPlaylist add-on requires 64-bit Windows 10 21H2 or later.
+	minimumWinVer = winVersion.WIN10_21H2
 	if currentWinVer < minimumWinVer:
 		gui.messageBox(
 			_(
diff --git a/readme.md b/readme.md
index 6531be1d..7e183cbb 100755
--- a/readme.md
+++ b/readme.md
@@ -204,7 +204,7 @@ If you are using Studio on a touchscreen computer with NVDA installed, you can p
 
 ## Version 25.01
 
-* 64-bit Windows 10 22H2 (build 19045) or later is required.
+* 64-bit Windows 10 21H2 (build 19044) or later is required.
 * Download links for add-on releases are no longer included in add-on documentation. You can download the add-on from NV Access add-on store.
 * Switched linting tool from Flake8 to Ruff and reformatted add-on modules to better align with NVDA coding standards.
 * Removed support for automatic add-on updates feature from Add-on Updater add-on.