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

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:

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.