It is advisable to let the Evaluation mode determine the same for you. Why do I see If Smart App Control is off it can’t be turned on without reinstalling Windows message? If you see If Smart Ap ...

If you don't want to run the evaluation mode, you can enable "Smart App Control" directly. However, it's not a good idea since the feature may not work as expected, causing a lot of interruptions ...

It's called Smart App Control and it's kind of like ... in a new window), after a clean install you can enable it but it runs in evaluation mode. In this mode it examines your PC usage to ...