It’s not an app you download from a store. A debloater is a script (usually written in PowerShell or Batch) that automates the removal of pre-installed junk. In 30 seconds, it can do what would take you 30 minutes of clicking through settings.
The desktop loaded.
Most scripts don't have an "Undo" button. If you remove the Xbox Game Bar and then buy an Xbox controller for Christmas, re-installing it requires digging through the Microsoft Store (if the Store is still there). windows 11 debloater script