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For further cleanup, type %temp% in the Run dialog. Open this folder, and once again select all files and delete them. It’s not uncommon to see over a gigabyte of files cleared this way.
Dealing with Windows.old Folder
Navigating through File Explorer, head over to your C drive. Here, you may find a folder named Windows.old, which is a backup folder created during your Windows upgrade process (such as from Windows 10 to 11). If you are positive that you won’t want to revert to a previous version, you can delete this folder, which may free up as much as 45 GB.