Press Windows + R
Type %temp% and press Enter
Select all files and folders
Press Shift + Delete or Delete
Skip any files that are in use
Press Windows + R
Type temp and press Enter
Select all files and folders
Delete the selected items
Open Settings
Go to System
Select Storage
Click Temporary files
Select the files you want to remove
Click Remove files
Open Disk Cleanup
Select the drive you want to clean
Check Temporary files
Click OK
Click Delete Files
Empty the Recycle Bin