To sign up for WeChat, an existing user will need to scan a QR code on your phone. With more than a billion monthly users, WeChat is one of the most popular social messaging apps in the world, ...

While WeChat isn't a household name in the US, ... may be the closest you can get to a WeChat replacement in China. You can sign up for an account in the US and several other countries, too.

WeChat is a social network used by more than 900 million people. Want to give it a try? Here's all the essential info you need if you're wondering how to use WeChat.