1. Press the Windows key and type in “Disk Defragmenter”
2. Select the “Disk Defragmenter” program from the search results
3. Select the disk drive you want to defragment, usually labeled “C:”
4. Click the “Optimize” button to start the defragmentation process
5. Wait for the defragmentation to finish. It may take a few minutes or more depending on the size of your drive.
6. Once it’s done, click the “Close” button to finish the process.