Tech Windows 11 to launch Oct. 5. How to find out when your PC is ready to upgrade August 31, 2021August 31, 2021 Brett Molina, USA TODAY Comments Off on Windows 11 to launch Oct. 5. How to find out when your PC is ready to upgrade On Tuesday, Microsoft announced it will begin rolling out Windows 11, the latest version of its operating system for personal computers, on Oct. 5.