“Start by seeing if the specific issue has been solved, then check to see that the rest of Windows still works.”
installation (recommended)’ to download post-SP1 security fixes now, then accept the licence agreement and choose Upgrade when prompted.
The upgrade process can take up to an hour on whichever version of Windows you’re repairing, even on the fastest machine, so be patient. Your PC will reboot several times. If you’re reinstalling Windows 7, you’ll be prompted to enter your product key again, so have it handy.
Windows 8.1 and 10 will relaunch with the same setup wizard you’d see when upgrading from an earlier version of Windows. It’s all very straightforward, but don’t skip through the Express settings (if they appear); make sure you review all settings to lock down privacy.