This build introduced several quality-of-life improvements and security fixes:

: Introduction of tabs and a redesigned navigation pane.

: A modernized interface that supports system-wide dark mode and an "efficiency mode" to limit resource usage.

: Addressed issues like black screens when using HDR and improved performance for Internet Explorer (IE) mode in Microsoft Edge. 3. Understanding "Preactivated" Distributions KB5018427 (OS Build 22621.674)

: As of late 2024, Home and Pro editions of version 22H2 have reached their official end of updates . Consequently, this specific build is no longer receiving security patches through official Microsoft channels. 2. Technical Highlights of Build 22621.674