@Nikodemus04: My advice would be to backup your personal media (photos, videos etc) to a cloud based site, such as Google Drive or OneDrive. Once you're happy that the backup has been successful, you can delete the media from the phone and free up your internal storage in this manner. You could also take a look at the apps you have installed that you don't use that often, or at all, and uninstall them via Settings > Apps, or by long pressing on the app icon > Uninstall.
The Galaxy Note 8 is also compatible with Micro SD cards up to 512GB capacity, which can be used to store your personal files and media.
As your phone's internal storage cant be increased I'd suggest to delete data such as....
Hope the above helps 🙏
Daily Driver > Samsung Galaxy s²² Ultra 256Gb in Phantom Black.
The advice I offer is my own and does not represent Samsung’s position.
I have no affiliation with Samsung.