Search:

to what - linux ?
Or windows 7.

I actually found someone on ebay who sells legit serial numbers and install iso's for windows 7 for £2.29

And they work :-)
At that price, there's no point...

yep it's slow as cold treacle and crashes a lot.

actually the last major update - made it much much worse. It disabled the desktop, while still leaving any files on it.
Yes they are moving away from any legacy windows systems - but given that...

Actually it's a LOT better. windows 8.1 - on the other hand is almost as bad as 10. But you retain the ability to easily stop updates. Something microsoft have tried to stop you doing in 10.
But...

right click the start button.
click on Control Panel.
select Administrative services.
Select services
scroll down to windows update - double click.
Click the STOP button
Then select disabled...

disable windows updates.
This should be done as soon as windows has been installed on a computer anyway.
But it's amazing how many people let microsoft stick any old crap on their machine because...