Microsoft released Windows 10 four weeks ago today, and now the company is providing a fresh update on its upgrade figures. 14 million machines had been upgraded to Windows 10 within 24 hours of the operating system release last month, and that figure has now risen to more than 75 million in just four weeks.
If you're on Windows 7 or Windows 8.1 Warning: this guide is designed for the technically minded, so if you just want to upgrade to Windows 10 then please follow the usual process. First things first, backup everything you want to keep on your PC. You'll need to upgrade to Windows 10 first before a