Wch.rar

Tools for flashing firmware to WCH microcontrollers (like the CH32V RISC-V series).

Setup files for the CH340, CH341, or CH343 series.

Depending on where you downloaded it, the archive usually contains: wch.rar

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.

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? Tools for flashing firmware to WCH microcontrollers (like

Use the official WinRAR or free alternatives like 7-Zip and PeaZip .

Because .rar is a proprietary format, your computer cannot open it natively without third-party tools. For drivers, you often need to run these

Datasheets and instruction manuals for specific WCH ICs. 📂 How to Open and Use It