Microsoft today is officially releasing Windows 11 in its stable form worldwide. In order to upgrade to Windows 11, you can wait for the update to be made available to you through Windows Update. If your PC meets all requirements, then you should see Windows 11 be available as an update over the coming weeks. The other option is to download Microsoft's Windows 11 Download Assistant. Through the website, you can also download tool to create an installation media, which is essentially a USB drive that you can use to install a fresh copy of Windows 11.
Source: The Nation October 04, 2021 21:56 UTC