If you have a paid Microsoft Visual Studio Subscriber account (formerly MSDN), you retain access to an official archive of historical Windows ISOs. Log into your . Navigate to the Downloads tab. Search for Windows 10, version 1909 .
If you simply need to update an old machine that still runs Build 18363, it is strongly advised that you move to a supported version like or Windows 11 . windows 10 version 1909 os build 18363 download