Use Disk Clean-Up program. Why? It deletes all your temporary files, files extracted by setup program, system cache, and so on. Use the Drive Properties dialog from File Explorer, and then clean-up the items.
System Junk
A neat and extremely helpful method is to use a one-stop kind of a solution to remove all kinds of junk files from the computer in one go. This option facilitates you in getting rid of all kinds of junk files without any fuss. Simply get hold of ST Cleaner, and it will take care of the rest.
Perform Extensive Disk Cleaning
ST Cleaner follows Google Software Principles
Delete Old Backups (.bak files)
Old backup files are always messy. And we’re all unaware of how to get rid of this mess. But we have a solution for you. Go to File Explorer and search for old backup files using “*.bak” in the Search box on the top right corner (.bak file extension represents backup files). Delete all backup files. Or you can open the original location of every single file you find and delete them all.
Delete TMP Files
TMP stands for temporary files. Remember: These files are everywhere in your drives, specifically in your system drive. Type “*.tmp” keyword in the Search box. It lists out all your temporary files. Now delete them.
Delete Junk Files
Junk files are huge. They eat several GBs of your HDD. And you’re left with no space in your hard drive. Don’t know how to delete them? Use the ST Cleaner. It helps you to scan all junks in your system.
Uninstall Apps
Uninstalling apps have never been easy? But we’ve got a solution for you. Remove the programs you use infrequently. How? You can find them in the System category of the Settings page. Got them? Click Apps & Features. It takes a few seconds to load the list of all apps. Now remove those you do not use.