Windows 7/Updates

Unsupported hardware (Later than Skylake) can use wufuc to enable updates. Windows ESU is a paid update program for businesses that lasts until 2023.

SHA-2 update
Needed for newer updates, this requirement is why XP and Vista can't update anymore.

TLS 1.2 update
Modern websites need at least TLS 1.2, be sure to get this update. It comes with IE11 and Edge.

Windows Vista

 * As of August 2020 Microsoft discontinued Windows update for Vista. The catalog still works for now.