The Windows 11 Start screen is a new and improved way to launch your apps and access your files. However, it can also be a bit cluttered, especially if you have a lot of apps installed. If you’re looking for a way to clean up your Start screen and make it more efficient, here are a few tips:
Step 1: Remove pinned apps.
Pinned apps are the apps that appear at the top of your Start screen, and they look like this:

To remove a pinned app, right-click on it and select “Unpin from Start.“:

Step 2: Remove recommended apps.
Recommended apps are the apps that appear below your pinned apps.

To remove a recommended apps, go to Settings > Personalization:

Now, in Personalization go to start:

Now, choose More Pins:

Now, disable “Show recently added apps, Show recently opened items, Show recommended tips“:

Now, if you want, you can add in some folders, For example:

That’s it. Hope this helps.