When the microcomputer first landed in homes some forty years ago, it came with a simple freedom—you could run whatever software you could get your hands on. Floppy disk from a friend? Pop it in.

Maybe your Google Play payment card has expired, or you want to switch to a new bank. Here's how to remove a payment method from your Google Play account.

Before you can screen record on your Android, you'll need to enable the option in your phone's Quick Settings menu.

It's incredibly rare for an iPhone to catch a virus, but not impossible. Here's how to diagnose and remove any existent virus from your iPhone.