How do I remove junk files in my computer?

In the search box on the taskbar, type disk cleanup, and select Disk Cleanup from the list of results.
Select the drive you want to clean up, and then select OK.
Under Files to delete, select the file types to get rid of. To get a description of the file type, select it.
Select OK.

What is the meaning of junk file?

Junk files are temporary files that perform actions and commands on your devices for many different purposes. These are useful at the time because they get a specific job done.

Can you give an example of a junk file?

These include cache files arising from both external and internal applications, temporary files, call logs, residual files, outdated folders