How to Find Your Windows Validation Code. To protect its products and software, Microsoft strictly regulates the sale and use of Windows software by embedding a validation code, also called a ...

How to find your Steam Guard Recovery Code A lot of people are downloading Dota Underlords on their smartphones, and they are having to deal with Valve's Steam Guard Mobile Authenticator.

TECH How to scan a QR code with your iPhone or Android phone (no apps needed) QR codes are those pixelated squares you see in restaurants, advertisements, stores, food packaging, business cards ...

Some developers would lead you to believe you need to download their app to scan QR codes. Spoiler: Your phone can do that with built-in features.