Windows 11 Insider Beta Build 26220.7859 (KB5077223) for 25H2 adds a Microsoft 365 upgrade option in Settings, plus taskbar and File Explorer fixes.
You should also check for Windows Update. If an update is available, download and install it. Open Windows 11 Settings and go to the Windows Update page. Click Check ...
Microsoft has confirmed that the odd bug that broke the taskbar in certain Windows 11 editions has been fixed. The necessary patch is available in KB5040442, which is this month's Patch Tuesday update ...