First, AOMEI Partition Assistant is a software suite used for managing disk partitions. The Technician Edition probably refers to a version tailored for IT professionals or technicians, offering more features than the standard versions. Version 8.7 is a specific release, and "ISO" stands for International Standards Organization, but in computing, an ISO file is a disk image of an optical disc. So the user is looking for the ISO file of the Technician Edition 8.7, which might be an exclusive or special version.