Can anyone tell me what this is doing?

I'm trying to install this application on my laptop, but it tells me to do the following:

1. Click win+R and enter the command "hdwwiz.exe"
2. Select "Install the hardware that I manually select from a list"
3. Select type of hardware: "Network adapter"
4. Choose "Microsoft" adapter- "Microsoft loopback adapter"
5. Wait until install is finished and click
6. We have installed the adapter, now we need to adjust it a little. To do this, go to "control panel, network and internet, network and sharing center, change adapter settings. There should be connections to the adapter we installed:
7. Go to he properties of this adapter, right click on the "IPv4" and go to properties

It then tells me to enter a various number of IP addresses in the IPv4 advanced window.

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Is this a scam/backdoor of some sort? If not, what does this do? Can anyone help me out?