To open the temp folder, click Start or go to the Windows 8 Search charm, type %temp% , and select the folder that appears. Once there, you can manually delete files and subfolders. But you probably can't delete all of them. Windows won't let you do away with those currently in use.

Can I delete the Windows temp folder?

Thanks! In general, it's safe to delete anything in the Temp folder. Sometimes, you may get a "can't delete because the file is in use" message, but you can just skip those files. For safety, do your Temp directory deleting just after you reboot the computer.

What happens if I delete files in temp folder in Windows 10?

Yes, perfectly safe to delete those temporary files. These generally slow down the system. Yes. Temp files deleted with no apparent problems.