All Windows Appear 1.1.5 -

: Pressing Windows Key + Tab triggers a "birds-eye" view of every active application.

If you are seeing "1.1.5" in a technical or error context, it most likely refers to: All Windows Appear 1.1.5

Recent updates to the Windows windowing system have introduced several enhancements to how windows behave and appear: : Pressing Windows Key + Tab triggers a