There is a way to do this on your Windows, or you can install third party tools.

If you have large files you want to keep, the best thing you can do is make them smaller by compressing them. Our next step is an organizational suggestion. Make sure to scan through all the items stored up in your trash before emptying it. This step may almost seem too simple, but it is one that is pushed to a later date (a later date that never comes) all the time. These suggestions are ways for you to find out how to clear up disk space on your Mac, as well as your Microsoft Windows. There are relatively simple measures you can take to clear this error and do a whole lot of good for your computer. Don’t let this worry or overwhelm you, though. This error code is an indicator that there is some work to be done freeing up disk space. How to Fix “Startup Disk is Almost Full” Error Windows 10 includes several improved settings that allow you to identify what is taking up your hard drive easily, so you can perform thorough manual disk cleanup.

Help is on the way to help you optimize storage! If you’ve already done all the other things we’ve recommended, like delete old files left over from the upgrade, or set your OneDrive to only keep files, and you still see this problem, don’t worry. Many of our readers are reporting that since switching to Windows 10 on their Surface, they seem to be running out of space more often. Have you deleted old Operating System files, removed local copies of OneDrive, and even emptied the trash on your Surface, only to find your hard drive to still be nearly full? Are you at your wit’s end trying to figure out what is taking up your hard drive space in Windows 10? Or do you simply want to do an excellent manual disk cleanup and optimize storage?

Clean windows disk