Right-click the folder and select to unpack the files. Open the extracted folder and look for ServiceTool.exe .
As Jack ran the program, a simple interface appeared on the screen. It seemed to be a diagnostic tool for Canon cameras, allowing technicians to troubleshoot and calibrate various models. However, there was something unusual about the tool. It had an option to "unlock" certain camera features, which seemed unnecessary for a standard diagnostic tool. canon service tool v3400.zip
Are you facing any specific when you try to run it? Share public link Right-click the folder and select to unpack the files