Below we may get step-by-step screenshots,

Step 1 - Verify and ensure appropriate IP addresses are assigned to all required fields.

Step 2 - Click on "Local Server".

Step 3 - Click on "WORKGROUP".

Step 4 - Click on "Change...".

Step 5 - Click on "More...".

Step 6 - Type the domain name and click on "OK".

Step 7 - Click on "OK".

Step 8 - Click on "OK".

Step 9 - Click on "OK".

Step 10 - Click on "Close".

Step 11 - Save rest of your background work, if any and click on "Restart Now". If planning to restart after some time then click on "Restart Later".

Step 12 - Click on "Add roles and features".

Step 13 - Click on "Next".

Step 14 - Keep selected "Role-based or feature-based installation" and click on "Next".

Step 15 - Select/Verify the server name and IP address, then click on "Next".

Step 16 - Locate "Remote Access" and click the check box.

Step 17 - Confirm the Tick mark and click on "Next".

Step 18 - Click on "Next".

Step 19 - Click on "Next".

Step 20 - Locate "Web Application Proxy" and click the check box.

Step 21 - Click on "Add Features".

Step 22 - Confirm the Tick mark and click on "Next".

Step 23 - Click on "Install".

Step 24 - Wait for some time until installation completes.

Step 25 - Click on "Open the Web Application Proxy Wizard".

Step 26 - Click on "Next".

Step 27 - Type "Federation Service Name", "User name and Password" of a local administrator account on the federation servers.

Step 28 - Click on "Next".

Step 29 - Select appropriate SSL Certificate from the drop down list and click on "Next".

Step 30 - Review all selections and click on "Configure".

Step 31 - Wait for some time until configuration completes.

Step 32 - Click on "Close".

Step 33 - Click on "Publish".

Step 34 - Click on "Next".

Step 35 - Click on "Pass-through".

Step 36 - Click on "Next".

Step 37 -  Type "Name", "External URL" & "Backend server URL", for example - "https://sso.dskoli.work/", select appropriate "External certificate" from the drop down list.

Step 38 - Locate "Enable HTTP to HTTPS redirection", click the check box, confirm the Tick mark and click on "Next".

Step 39 - Review all selections and click on "Publish".

Step 40 - Click on "Close".

Step 41 - Published Web Application will be displayed in the list.

Step 42 - On the Public DNS Panel of domain, add "Host (A)" record for federation service name pointing to WAP server on Perimeter Network. For example, "sso.dskoli.work" pointing to Public IP.