I still run Win 7/64 on 8 machines here at home. Before that I ran Win 2000 (basically NT). I loathe Win10. But will likely have to "upgrade" soon as newer hardware features are not being utilized in Win 10 (specifically newer Ryzen processor/mb feature compatibility).

That said, I do have a laptop that has Win 10 on it that I use only for ISTA/INPA/Bimmer tools and for DSP tuning. The new installs of ISTA are relatively "easy" to setup if you can follow directions and are at least computer literate as RocketyMan stated. Still wasn't a fun process, but MUCH MUCH better than it used to be. And as much as I use my Carly and Foxwell for different things, ISTA/NCSexpert/etc on a laptop can not be rivaled for capability.

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2005 X5 4.4i Build 04/05 Maintenance/Build Log
Nav, Pano, Sport (Purchased 06/14 w/ 109,000 miles) (Sold 8/15 w/121,000 miles)

2006 X5 4.8is Build 11/05 Maintenance/Build Log
Nav, DSP, Pano, Running Boards, OEM Tow Hitch, Cold Weather Pckg (Purchased 08/15 w/ 90,500 miles)

2010 X5 35d Build 02/10
Nav, HiFi, 6 DVD, Sports Pckg, Cold Weather Pckg, HUD, CAS, Running Boards, Leather Dash, PDC, Pano (Purchased 03/17 w/ 136,120 miles)