Didn't intend the prehistoric comment as aimed at you... rather at vendors who even qualify something with "not tested on a mac". It just further muddies the waters. Poser products have been cross compatible between OSs for years. Every once in a while you'll run into an item, usually a freebie, from long ago, that will require conversion of the included library thumbnail .rsr files into .pngs with a utility such as MacConv. That's about it. ;)

(I'm 50, and have been using Poser since version 3. So I too am somewhat fossilized. Hell I'm still using a PPC G5! Version qualifiers don't impress me considering the things I make with Poser 8 and modo 302 surpass many using Poser Pro yada yada and a state of the art windows Death Star Lol.)

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W10 Pro, HP Envy X360 Laptop, Intel Core i7-10510U, NVIDIA GeForce MX250, Intel UHD, 16 GB DDR4-2400 SDRAM, 1 TB PCIe NVMe M.2 SSD

Mudbox 2022, Adobe PS CC, Poser Pro 11.3, Blender 2.9, Wings3D 2.2.5

My Freestuff and Gallery at ShareCG