Thanks for purchasing Draken! Commercial licenses are offered on a case-by-case basis, there is no upgrade path. I will get back to you via email regarding this and your other questions, as they are not relevant for most users here.
Kind regards /Thomas
Win 10 Pro | P3D v5, v4 | AMD Ryzen 3 3.5 GHz | 32 GB RAM | NVIDIA GT1030 | TM HOTAS Warthog | TM HOTAS Cougar