I need more storage room

The physical storage of your iPad is fixed during manufacture

and cannot be changed/increased after.

These links may help you manage your internal storage:

https://support.apple.com/en-us/HT201656

https://www.macrumors.com/guide/clear-storage-space-iphone-ipad/

Additional iCloud storage can be purchased.

https://support.apple.com/en-us/HT201238

If this is not what you are asking, provide more information so someone

may offer a solution.