Don't worry, here is what you need to retrieve the version compatible with your PC.
Uninstall Nahimic in Apps & Features:
Uninstall the bad Realtek version in Apps & features:
Download Realtek drivers: https://mega.nz/#!wAZhBQBb!dCE0XyGES5jlFml2BUezravLsSs8VtNO2sfklW7OsfM
Download Nahmic 2+: http://www.nahimic.com/download-nahimic
Install Realtek and restart.
Install Nahimic and restart.
Your Nahimic is now 100% ready!