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Finally plucked up courage to try the suggestions...son tells me that there is nowhere to put a new driver in my set-up , and also that he thought I had the latest available anyway, but try and see. I followed your instructions carefully (thank you, they were very clear) but found, as he suspected 'the best driver for your device is already installed'. But at least I tried.
Should I risk trying to download the game on to my tablet, which won't let me play the trial version first? Synced with the PC so also running Windows 7. Or would there be any point in buying a cheap Notebook running Windows 10, which would presumably have a compatible driver? Would that be a problem, as I don't want to upgrade the PC to W 10? And if this is a feasible solution, do you have any recommendations?