It's all about choice. Some want detents, others don't! The Orion 1 came with detents, people complained so now V2 comes without....you just have to purchase the addon.
Disconnect all USB devices except KB and mouse. Open simappro and plug the stick into the rear of the PC, then run the firmware update. Also ensure you have the grip to base connection firmly pushed in before tightening the knurled nut
VR or TrackIr? You may also want to check your nVidia control panel and set [Vertical Sync] option from 'Use the 3D application setting' to the 'Fast' option and save....only if you have an nVidia graphics card of course?