SteelSeries Engine 3 Driver/Utility 3.8.4 Sep 2, 2016
... Bug Fixes: - Reduced the installed engine size footprint. - Fixed key and button bindings ... on 64-bit builds. Compatible Devices: - SteelSeries Rival 300 Fallout 4 Mouse - SteelSeries Rival 300 Mouse - SteelSeries Rival 700 Mouse - SteelSeries Guild Wars 2 Gaming Mouse - SteelSeries Kinzu ...