Honestly everything was OK with old my laptop,
all the softwares, dirvers, connections, I was ok.. well sometimes a bit too much latency but nothing so frustraing.
But at some point it seems to be Necessary to switch to Win8 or above, .. I contiuned for a while repeating to myself ''If it's not broken, don't fix it''
Well, I've just finished yesterday to assemble a new PC with Win10 reinstall everything and update everithing to the Last version.
I hope it worths the money and time I've spent.