I. Download and Install
Download the latest version of WeChat for Windows at http://wechat.com , and install it using the following instructions.

II. Login
1. Log in to WeChat for Windows on PC and confirm your login on mobile

2. You need to scan QR Code on mobile with the following steps: After opening WeChat for Windows on PC, you can scan the Windows QR Code by opening WeChat on your mobile, selecting 「Discover」->「Scan QR Code」 and confirming your login.

Note: At the current time it's not possible to be logged in to Web WeChat and WeChat for Windows with the same account at the same time.