Introduction to Disk Cleanup Utilities of Windows

Windows Disk Cleanup Tool

Disk Cleanup tool, part of Windows, will perform a search on the hard disk for files that can be deleted from your computer without affecting its functionality or your personal files:

• Temporary Internet Explorer files (related: How To Clear Internet Explorer 6-to-11 Cache)
• Java applets or ActiveX controls
• Files from Recycle Bin if Recycle Bin has not been emptied
• Windows temporary files

How to Run Disk Cleanup Utility 

1. Press Windows + R Button.
2. Type cleanmgr
3. Click OK or  press Enter