Locate your new adapter (it will usually be named "Ethernet 2" or have "Microsoft KM-TEST Loopback Adapter" written under it). Right-click the adapter and select . Double-click Internet Protocol Version 4 (TCP/IPv4) .

Currently, adding a virtual network adapter in Windows 11 requires:

How to Add a Virtual Network Adapter in Windows 11 Adding a virtual network adapter in Windows 11 allows you to test network configurations, run virtual machines, or set up a dedicated Virtual Private Network (VPN) bridge. Windows 11 provides several built-in tools to create these adapters without requiring third-party software.

: Connects virtual machines to the host OS but isolates them from the outside internet.

: Click on your computer name at the very top of the list. Then, click Action in the top menu and select Add legacy hardware .

Add-VpnConnection -Name "MyVPN" -ServerAddress "vpn.example.com" -TunnelType L2tp

If a virtual adapter doesn't appear at all, Windows might be hiding it. Open Device Manager, click → Show hidden devices , and expand Network adapters . Grayed‑out entries represent previously installed virtual adapters that may be conflicting with new installations. Right‑click and Uninstall those, then restart your PC.

This exposition explains what a virtual network adapter is, why you might add one on Windows 11, the typical methods to create one, step-by-step instructions for each common method, configuration tips, troubleshooting, and security/compatibility considerations.

Adding a virtual network adapter in Windows 11 is most commonly done by installing the Microsoft KM-TEST Loopback Adapter

Virtual network adapters can sometimes cause more headaches than they solve. Here are the most frequent issues and how to fix them.