If Mark Partition as Active, Change Drive Letter, Format, Extend, Shrink, Delete Volume options are greyed out in Disk Management, see this post.

If Mark Partition as Active is greyed out in the Disk Management utility of Windows 11/10, follow the solutions mentioned here to resolve the issue.

Free partition manager software for Windows PC and Server. Resize existing volume safely and perform a variety of disk partition management operations.

You're using the new Windows 11 Task Manager, but you like the old Task Manager better? No problem: With this trick, you can start the old task manager immediately.

Microsoft is investigating a new Windows 11 issue that causes the Task Manager to say there are zero running apps and background processes.

In the latest update to Windows 11 24H2—patch KB5058411 which rolled out earlier in May—Microsoft made a quiet change to how Task Manager calculates CPU usage in the “Processes” tab ...

Microsoft has released the newest Windows 11 Build 25276 to the Dev channel insiders today. As usual, the new build brings in plenty of changes and improvements, as well as bug fixes.