Hi Telescopi, I have a similar vintage MacBook Pro (Mid 2014, 3GHz, Dual-Core Intel Core i7, 16GB 1600MHz DDR3, Intel Iris 1536MB, running Windows 10 in a Parallels VM on Big Sur) and Alibre is just barely usable, extremely laggy, very slow updates, very slow switching from 2D sketcher to 3D...