Once scanned, do I delete the newest file first? I would appreciate your help for the correct way to use the program. Thanks!
here is a guide
the soft can help to find out some temp files that can take unnecessary space and slow down pc, you can delete these files, but some files are necessary for windows so be carefull on what you will delete.
WinDirStat is a visual representation of the entire contents of your hard drive. It gives you a good idea of what programs are taking up the most amount of space, but deleting things using this program may cause problems.
If you want to delete a program, it's always better to uninstall it using a program like Revo Uninstaller.