Which are you planning to run the tool on?
The Canon SST is a specialized application used primarily to service Canon copiers and printers. Unlike standard drivers, the SST provides deep access to the machine’s internal systems to: Download Canon Service Support Tool Sst Software V4
Because the Canon Service Support Tool is a proprietary utility, Canon does not openly distribute SST V4 to the general public. It is officially restricted to certified Canon dealership technicians via the closed Canon e-Support portal. Which are you planning to run the tool on
Any website offering a direct download without credentials is either fraudulent or distributing dangerous modified software. Download Canon Service Support Tool Sst Software V4
: Download the SST v4 package and extract the ZIP archive to your local C:\ drive.