1. Download the latest version of WeChat for Windows or Mac at
www.wechat.com , and install it by the following instructions.
2. Login
2.1. Log in to WeChat for Windows/Mac on PC and confirm your login on mobile. Users are not allow to log in to WeChat for Windows/Mac without login on mobile.
2.2. You need to scan QR Code on mobile with the following steps:
After opening WeChat for Windows/Mac on PC, you can scan the QR Code by opening WeChat on your mobile, selecting "+" in the top right corner > Scan and confirming your login.
3. Switching Accounts
Select Switch Account on the login page of the WeChat for Windows/Mac to change to another account, and open WeChat on your mobile, select "+" in the top right corner > Scan, to log in to WeChat.
Note: At the current time it's not possible to log in to Web WeChat and WeChat for Windows/Mac with the same account at the same time.