Select your preferred language (e.g., English) when prompted.
Older versions of Topwin (like v6.xx) only support Windows XP or Windows 7. Newer updates (v8.xx and above) are required for Windows 10 and Windows 11 compatibility. Topwin Universal Programmer Software Download UPD
Driver folders (Separated by x86 for 32-bit and x64 for 64-bit systems) Select your preferred language (e
If you cannot find your chip in the device list, you are likely using an outdated version of Topwin. Download the latest Topwin UPD file. Select your preferred language (e.g.