Registry Cleaner - Tp remove invalid entries and correct entries that are wrong.
Registry Defragmenter - To defragment my registry for performance purposes.
Disk Cleaner - To remove uneeded files, including those that pose a privacy threat.
Defragmenter - To defragment my hard drive for performance purposes.
I know there are free programs that do these functions but I want the best that requires purchasing. Unless a free program (that is not a trial) can do as good, or even better than the programs that can be bought, I don't want it listed. Thank you for your time and energy in helping me.