Microtek ScanPotter is the scanner program used to perform scans with your Microtek scanner on Mac OS 10.6 and above.
— Does Scanpotter work under Mac OS X High Sierra? I am having trouble just after upgrading my OS.
On the Microtek's website, you can find Scanpotter having compatibility with OS X v10.6.8 or later. Therefore it should work on HIgh Sierra, but if it refuses to install, then simply send an inquiry... to the developers, because there is no update available.
This is the only thing you can do right now regarding the compatibility of Scanpotter. Read more