There is no official WeChat client for Linux Desktops, but the Linux world has found a way around. You can easily install WeChat (Electronic WeChat - a unoffical WeChat client) on macOS and Linux, built with Electron, from snap store. First, make sure snap support is enabled in your Desktop store, and run the command
- sudo snap install electronic-wechat
By the installation date, electronic-wechat is version 2.0 from DawnDIY (ubuntu-dawndiy).
Type in the Terminal electronic-wechat to launch it, and for the first time, scan the QR code to log in.