Since system files can be large, Disk Cleanup will take some time to calculate the amount of space that can be freed.Īfter selecting the file types to delete, select OK, and then select Delete files in the confirmation window to start the cleanup.

Then select the type of system file you want to delete. If you want to further free up more space, select Clean up system files.

If you do not want to delete these files, clear the corresponding checkboxes. Here you can use Disk Cleanup to clean up the disk, which is an officially recommended program without any side effects.Īfter the scan is completed, please select the check boxes next to the file types you want to delete.īy default, Downloaded Program Files, Temporary Internet Files, and Thumbnails are selected. So how to clean up the C drive used to store the Windows system? As we all know, the files in the C drive cannot be deleted at will to avoid system crash. Clean up the D drive and E drive, just delete the unnecessary data. D drive and E drive are used to store data such as photos or videos. C drive is used to store installed programs and user information. Usually computer disks are divided into C drive, D drive, and E drive. For PC non-professionals, it can also be easily performed.

Here's how to free up disk space so you can keep your PC up to date and running smoothly. If you run out of free space on your PC, it can affect your PC's performance: resulting in failure to complete important Windows system updates, inability to install new programs, slow PC performance, stuttering, and many other issues. Start My Computer/This PC, watch the disk has occupied space progress bar gradually increasing, feel nervous and annoyed inevitably, especially the moment when the progress bar turns red.

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