(Here's how to download Windows 11 and how to check if your computer's compatible.) Anyone on older operating systems will have to pay to upgrade. If you're still running an older version of Windows, keep in mind that Windows 11 will only be available as a free upgrade for Windows 10 users, not older versions. Microsoft no longer offers support for Windows 7, and now the company has launched Windows 11. Time is running out to upgrade to Windows 10.