[64 a WIN 7]
Manual designated the installation directory installation CH341SER. ZIP
Download address: http://www.wch.cn/download/list.asp? Id = 5
When the computer system startup need to press F8 to choose "disable driver signature mandatory" mode
In the device manager after find corresponding hardware, select update drive, and then manual designated the installation directory for installation,
Play warning dialog box will choose "continue to install".

