If you suspect a keylogger is installed on your computer, you should first check the Windows Task Manager or macOS's Activity Monitor and look for any unfamiliar programs running in the background.

Limiting the number of programs starting up with your computer can help too: It means fewer apps running in the background, freeing up more memory and other system resources.

But as time goes on, those computers start to feel sluggish. Programs lag, startup takes forever, and basic tasks do not run as smoothly as they used to. Before you spend money on a new computer, ...