I tried all these options with no success. Sidenote: I also downloaded the ScanSnap Manager on that page, but it apparently is redundant and unnecessary.
The Problem – The ScanSnap s1300 is Too Damn Old These instructions will probably also work for other older models of the scanner, like the s1500.
If you are reading this, then you have probably dealt with a lot of the same frustrations I did trying to get my ScanSnap s1300 working on Windows 10.