Starting from the 1st of July 2016, the minimum supported Windows version for LongRange is Windows 10, version 10.0.10240.0
LongRange will continue to run on Windows 8.1, however you will not benefit from any bug fixes or enhancements added to LongRange after this date.
Starting from the 1st of December 2016, the minimum supported Windows version for LongRange is Windows 10, version 10.0.10586.0