That whats do the trick I put together few advice’s in to one working solution
Among others there are fragment of your post and link to the full text of it at the end of mine post
BTW You have said
Im on rock it shoud work for old M800 nvidia series.
It work for my freaking M840 in that old hp of mine
My main rig have AMD Ryzen 5 5600G with Radeon Graphics
AMD Navi 23 [Radeon RX 6600/6600 XT/6600M]
And a shit tone of ram 64GB
Everything works like charm
If I would know better before that even slight video-editing for YT eats cpu and ram like crazy I would buy ryzen 9 and even more ram. And i would not even bother with mid range Graphic card.
Would by chippest card ever