Official distribution for this legacy tool is often through hardware vendors. Reliable download locations include:
The (often referred to as WLPRO or Willer Software ) is a specialized utility used for burning .hex files onto 8051-series microcontrollers and EEPROM devices. While the software was originally designed for older versions of Windows, it can still be utilized on Windows 10 with specific configuration steps, particularly regarding USB drivers and COM port assignments. Core Functionality and Supported Devices willar programmer software for windows 10 link
The Willar Programmer is primarily a "fusing" tool used alongside development environments like Keil C51. It supports a variety of chips, including: : AT89C51, AT89C52, AT89S51, AT89S52. Winbond : W78E51, W78E52. SST : SST89C54, SST89C58. EEPROM : Various 24 and 93 series serial EEPROM ICs. Software Features Official distribution for this legacy tool is often
: Some distributors provide a Google Drive link for the software. SST : SST89C54, SST89C58
: The software does not typically require a full installation. Simply copy the .exe file to your desktop or C: drive and run it as an administrator. Flash the Hex File : Select your target device (e.g., AT89S52). Click Load to browse for your .hex file.
Change the COM Port Number to a value (e.g., COM1, COM2, COM3, or COM4), as the software often fails to detect ports higher than 5 automatically.
Open and locate "Silicon Labs CP210x USB to UART Bridge" under Ports (COM & LPT) . Right-click, select Properties > Port Settings > Advanced .