We recently experienced an installation of Windows 10 with system files that were totally corrupt. After attempting typical repair options, we used a Windows 10 ISO to perform an in-place upgrade, reinstalling Windows 10 while preserving even the software you have installed.
Any major computer upgrade generally requires a full software reinstall too. No so if you heed the advice in the guide to Upgrading a Motherboard without Reinstalling. PCSTATS Tips