Note: You need Reason 9.5 or above to load VST plug-ins in Reason. For more information, please visit http://www.propellerheads.se/
1. After the installation of BIAS FX, please click any space in Reason's Rack space to find: Effects > PositiveGrid > BIAS FX
2. Click it and you'll have a VST Rack for BIAS FX.