BizHawk 2.x requires .NET 6.0 or higher, which can be heavy on older Windows 7 or Windows 8.1 machines. BizHawk 1.13.2 runs on the .NET Framework 4.6, making it significantly lighter. If you are running an old laptop or a dedicated capture PC, 1.13.2 often produces less input lag and lower CPU overhead.
(a utility for cross-referencing and ripping CD-based games). Why use 1.13.2 instead of the latest version? bizhawk 1.13.2 download
The short answer is . Here is a comparison table to help you decide: BizHawk 2