1. Uninstall unnecessary programs.
2. Delete temporary files.
3. Move large files to an external storage device.
4. Delete or move unwanted photos and videos.
5. Manually delete large files that you don’t need.
6. Compress large files.
7. Restart your computer (it may free up some memory).
8. Disable hibernation and paging files.
9. Reducing the size of user profiles.