Me too; it's a great feeling upgrading from an "ancient" PC that shipped with Vista and can barely run anything :p

It is on VGA; Tested it with an older PC running W7, looks fine there.. however. When I boot up the Optiplex the monitor shows 800x600 for some reason..

edit: monitor says the current mode is at...

Upgraded my Optiplex 790 DT i3 to W10 & everything looks blurry/awful. I've tried uninstalling & reinstalling drivers, even tried W7 & W8 drivers but got met with "System does not meet minimum...