This article is dedicated to using a disk cleanup wizard to delete or remove unwanted files and folders to free some space on hard disk in Windows Server 2016.
Cleanup Hard Disk in Windows Server 2016
Step 1. In the search bar, type "disk cleanup". When disk cleanup pops up, click on it.
Step 2. Select the drive you would like to clean and then click OK.
Step 3. Wait for the disk cleanup wizard to find out the locations and the space you will have at the end of the wizard.
Step 4. Choose all the locations you would like to cleanup files and folders from and then click OK.
Step 5. Click 'Delete Files'.
Step 6. Wait for the wizard to finish.