For example, I want to log two micro letter, the absolute path on my computer micro-channel program is D: \ Program Files (x86) \ Tencent \ WeChat \ WeChat.exe
1. Create a new text file, and then write the following command in the file (because I want to start micro-channel two, so start command is executed twice, if you want to open eight, that performed 8 times start 
)
start /d "D:\Program Files (x86)\Tencent\WeChat" WeChat.exe start /d "D:\Program Files (x86)\Tencent\WeChat" WeChat.exe
Format: Start / D "micro-channel application installation directory" micro-channel program name
2. Modify the file named StartMultiWeChat.bat (mainly modify the extension bat, any extension beyond the name 
)
3. Double click to open two WeChat Note: Before running the bat to turn off micro-channel applications