Got an aging Windows laptop or desktop computer, but money’s too tight to buy a new one? Fret not. There’s plenty of life in your old PC. It may seem sluggish and on the point of expiring, and its hard disk may be nearly full to bursting, but there’s plenty you can do to clean it up, speed it up and give it new life.

And here’s the good news: You can do it all without spending a dime, with these 15 free downloads we’ve rounded up for you. They’ll get you more hard disk space, give your PC an overall tuneup, monitor your hardware for potential problems and more.

Just give your PC this dose of virtual Geritol and it’ll soon be as peppy as new. It’ll last long enough until the good times roll again and you’re in the mood to fork out for new hardware.

Read more: Computerworld