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Yeah I did in fact consider 10, but by experience I don't touch anything new by Microsoft unless I absolutely have to. It invariably means hassle, always potential problems with that incompetent bunch, some people have upgraded no problem others were not so lucky, anything by that bunch is always potluck so I try to avoid it.
So I continued using 8.1, as it was running fairly well (as I installed classic Shell some time ago, as Bertrum also suggested).
But as I found out some tile crap you just can't get rid of, even with Classic Shell, PC settings is impossible to access and of course now the problem with Bluetooth, so I can't connect my phone.
Anyway missed the 10 free upgrade now,so guess I just have to grin and bear it until eventually will need new computer which will have 10 installed.
Microsoft products have always been crap and they always will be, as far as I am concerned. They just improved a bit over the years but mostly still crap even with the latest versions of recent years, still get the same crap, Windows can't do this, Windows can't do that, Please wait for this, Please wait for the other.
In comparison with Android, been running that for years and never had single problem with it, damn shame they don't make similar computer operating systems and just do tablets/mobiles.
Actually one way to go for the future, I believe there are devices now that actually run Windows and Android together, that might be a good idea!