optionalfeatures Command | Enable Hidden Features in Windows | Computer Tips & Tricks In this video, you will learn how to use the optionalfeatures command to open Windows Optional Features and enable or disable powerful tools like .NET Framework, Hyper-V, SMB, Telnet, IIS, and more. This trick helps you unlock hidden Windows features and improve your PC’s performance and capability. A must-know tip for every Windows user. ⏳ Time Stamps (4 Stage): 00:00 – Introduction 00:05 – Stage 1: Open Run B