Also, the final machine is only useful for 90 days, as far as I can tell (although there may be a way to extend that with snapshots).
In the "Virtual Machines" list, select "MSEdge on Win10...", as shown below.
In the Choose a VM platform" list, choose your virtualization software, as shown below.
Download the file. Unzip it and launch it in your virtualization software.
Log in with these credentials:
Download and install Firefox.
You will see a link to a blog on installing FLARE-VM, as shown below. Click it.
Follow the instructions on that page to download and install FLARE-VM. Once you start it, it will download and install many packages, and automatically restart many times. This process took about a day when I did it.
PMA 40.1: Pentest Folder (20 pts)On your desktop, double-click the FLARE folder icon.
Double-click the Pentest folder.
The name of the folder inside is the flag, covered by a green box in the image below.
Instructions for VMware are here:
Hard disk resize link added 9-15-2020
Instructions expanded 10-7-20