Reputation-based protection: This section allows you to configure Microsoft Defender SmartScreen, which is a security feature that protects from phishing attacks, malware, and potentially unwanted applications.It provides reputation-based protection by evaluating websites and downloads against a list of known malicious sites and files

Set a shorter duration for an active display. Select Start > Settings > System > Power & battery > Screen and sleep.For On battery power, turn off my screen after, pick a shorter duration. Open Power & sleep settings. Reduce your display’s brightness. Select Start > Settings > System > Display > Brightness .Clear the Change brightness automatically when lighting changes or the Help improve ...

PCs originally built with Windows 8.1 are designed with technology that is about 10 years old. Once you move to a new PC, there will be many aspects of Windows that you will find familiar, but also with important software and hardware innovations and capabilities that were not available a decade ago.