The loopback adapter is considered "legacy hardware" and must be added manually through the Windows Hardware Wizard. How to create a Microsoft loopback adapter in Windows 11
In modern Windows versions like Windows 11, it is officially named "Microsoft KM-TEST Loopback Adapter" . microsoft loopback adapter windows 11
Click one more time to start the installation, then click Finish . How to create a Microsoft loopback adapter in Windows 11 How to create a Microsoft loopback adapter in Windows 11 Adding Loopback interface in Windows 10 – Murat's Blog Murat's Blog Method 2: Rapid Installation via PowerShell The loopback adapter is considered "legacy hardware" and
Select and click Next . Choose Network Adapters : microsoft loopback adapter windows 11