Okoker Disk Cleaner is an application that deletes junk files, temporary files, and frees up your hard disk space. It has tools to scan your drive(s) and find all superfluous files for you. If you haven't performed a cleaning on your computer for a while, there will probably be a lot of files that can be removed without affecting your work in any way . The operating system and applications create files when they are used, and many of these...