Run the installer and connect your Willar programmer to a USB port. Windows should recognize the "New Hardware".
Download the appropriate drivers, such as the CP210x USB to UART Bridge VCP Drivers from .
The Willar software often fails to detect the programmer if it is assigned to a high-numbered COM port. It generally requires a (ideally below 5). Open Device Manager on your Windows 10 PC. Expand the Ports (COM & LPT) section.
Right-click your programmer (e.g., "Silicon Labs CP210x...") and select . Navigate to Port Settings > Advanced .
: Compatible with Atmel 89 series (89C51, 89C52, 89S51, 89S52, etc.), Winbond, SST, and various serial EEPROMs.
Execute the Willar software. If the COM port is set correctly, the status bar at the bottom should display . If it says "DEMO MODE," check your port settings again. How to Burn a .HEX File