A loopback adapter in Windows 10 is a virtual interface that you can use to make internal connections to the operating system you’re using and to make external connections to your virtual machine.

Installing a loopback adapter in windows 10
  1. Go to the search area in Windows 10 and type device manager.
  2. Select an item in the list
  3. Go to action and choose add legacy hardware.
  4. Click next
  5. Choose install the hardware that I manually select from a list (Advanced) and click next.
  6. Select network adapters and click next.
  7. Select Microsoft and choose Microsoft KM-TEST Loopback Adapter and click next.
  8. Click next
  9. Click finish

Now that the installation of the Windows loopback adapter is complete, you can check for the presence of the loopback adapter in your operating system.

Open the Microsoft Windows command prompt, type the command below and press Enter.
ipconfig/all

Configure a loopback adapter in windows 10

The configuration of a loopback adapter is identical to any other network card that you have in your computer. By default, the network card automatically receives network settings, such as IP address, gateway, DNS, but if you don’t want to, you can configure your loopback adapter to use static configuration.

Removing a loopback adapter in windows 10
  1. Go to the search area in Windows 10 and type device manager.
  2. Choose device manager
  3. Select network adapters and expand it.
  4. Right click on Microsoft KM-TEST loopback Adapter and choose uninstall device.
  5. Select uninstall and click OK