When confident that the SP-1 is running perfectly and one wants to remove the Installation Backup Files:
1. Defrag the Mechanical Hard Drive to Zero Fragmentation.
2. Reboot
3. Open an Administrative CMD Prompt.
4. Type or Copy this command [ dism /online /cleanup-image /spsuperseded ] without brackets.
5. Let the remove process finish and receive the Completed Prompt.
6. Close all and Re-boot.
7. Defrag the Mechanical Hard Drive to Zero Fragmentation.
8. Reboot.
