Windows 7 automatically defragments your primary hard drive in a process that runs quietly in the background. However, if you'd like to have all new drives you plug in be defragmented as well, it ...

Having computer problems? Here is how to defragment a hard drive or trim an SSD in Windows so you can get your PC back in working order.

If you leave your machine on all the time, the built-in optimization tools in macOS and Windows may negate the need to ever manually defrag, as both companies note.