Visit the official Willar website (or a trusted repository like GitHub or SourceForge) and download the latest stable version for Windows 10 (x64 or x86). Look for a file named something like WillarProg_Setup_v3.2.1_Win10.exe .
firmware files onto 8051-family microcontrollers (such as Atmel 89C51, 89C52, and 89S52) and serial EEPROMs. Windows 10 Compatibility & Performance willar programmer software for windows 10