Once extracted, look for an INSTALL.exe or SETUP.exe . For drivers, you often need to run these with Administrator privileges to allow the system to recognize the connected hardware.
Depending on where you downloaded it, the archive usually contains: wch.rar
Because .rar is a proprietary format, your computer cannot open it natively without third-party tools. Once extracted, look for an INSTALL
After installation, check your Device Manager (Windows) to see if the device is listed under "Ports (COM & LPT)" without a yellow warning icon. ⚠️ Safety Warning How to open and extract rar files on Windows 10 pc? wch.rar