If you do not already have NZBGet installed or are unsure if you are running the latest version available, you can find a link to their download page here.
After installation, a webpage should appear for the interface of NZBGet. From the top, select Settings, then News-Servers.
If you do not have any configured servers, you'll be able to add Astraweb with the Add Server button.
If you already have another configured server, you can add Astraweb alongside with the Add Another Server button at the bottom of the page.
Name: Astraweb (server name of your choice)
Level: 0 (If you have other servers, follow the instructions given below the option)
Group: No (If you prefer to group block accounts, follow the instructions given below the option)
Host: news.astraweb.com (a full list can be found in the Member's Area)
Port: 119 without SSL / 563 with SSL (a full list can be found in the Member's Area)
Username: Your Astraweb username
Password: Your Astraweb password
Encryption: No if your port is 119, Yes if your port is 563
Connections: 45 (We recommend testing with various connection amounts to maximize speed)
Here is an example of a completed setup page:
You can test the connection with the Test Connection button. Make sure to also select Save all changes at the bottom.
Should you have further questions or run into issues, you can reach out to support here.