Windows Update is a free Microsoft service that’s used to provide updates like service packs and patches for the Windows operating system and other Microsoft software. … Patches and other security updates are routinely released through Windows Update on the second Tuesday of every month—it’s called Patch Tuesday.

What are Windows 10 updates called?

Windows 10 version 21H1 is Microsoft’s latest update to the OS, and started rolling out on May 18. It’s also called the Windows 10 May 2021 update. Usually, Microsoft releases a larger feature update in the spring and a smaller one in the fall.

What are Microsoft updates called?

Quality updates (also are referred to as “cumulative updates” or “cumulative quality updates”) are the mandatory updates that your computer downloads and installs automatically every month through Windows Update. Usually, every second Tuesday of every month (“Patch Tuesday”).