The Simplest PC Maintenance Software (Bundled With Lots Of Utilities).

Download Link: Glary Utilities
 
One click is all you need to do PC maintenance with Glary Utilities.

1) Download the software. (Shocked me when I know it's free)
 
2) Run the program and you'll arrive at the 1-Click Maintenance Window. Just click 'Scan for Issues'

 3) After finish scanning, you may click 'Show Details' to check if there are any files you would like to keep. If not, just click 'Repair problems' and you're done.

4) You may also check out 'Modules' tab for a bunch of useful functions. They are all very easy to use and you may explore freely on your own.

Other useful utilities offered in this software includes:

- Disk Cleaner - Delete Junk Files to recover precious disk space
- Registry Cleaner - Fix registry error and speed up pc performance
- Shortcuts Fixer
- Uninstall Manager
- Startup Manager
- Memory Optimizer
- Files Shredder - Erase files permanently (Use at own risk)
- File Undelete
- File Encrypter and Decrypter
- Disk Analysis - Offers the same functions of TreeSize Free.
- Duplicate Files Finder - Searches Duplicate Files to recover disk space. (However cannot find duplicate files with different file names if you renamed one of the files, for that feature please use Duplicate Cleaner)
- Empty Folders Finder
- File Splitter and Joiner.