Join or Sign In

Sign in to add and modify your software

Continue with email

By joining Download.com, you agree to our Terms of Use and acknowledge the data practices in our Privacy Policy.


Synei offers a variety of vibrant applications to optimize and clean your computer to ensure that your PC runs at maximum speed. Whether if you are cleaning your computer files with Synei Disk Cleaner, defragging your hard drive with Synei Defrag, tuning up your system with Synei TuneUP, or looking to have it automatically all done for you with a push of a button by using the 1-Click Maintenance, we have it all for you!