Do not run the .exe from inside the compressed folder. Use a tool like WinRAR or 7-Zip to extract the entire folder to your Desktop or Documents.

Download the specific GDPS .apk file from the official community source.

Once you have the basics working, you can really make the server your own:

Secure the working .zip or .rar file from a verified community source.

Healthcare data is sensitive. Ensure your download happens over an encrypted connection (HTTPS or SFTP). Never download 11 GDP files over public Wi-Fi without a VPN.

Many servers reintroduce older physics (like the classic 1.1 era) or test unreleased features. How Does an "11 GDPS" Download Work?

You need a tool like a hex editor to find and replace these encoded strings with your own server's address. This process, known as "patching" the client, is a required skill for anyone wanting to create a working GDPS.

What are you using? (Windows, Android, iOS, MacOS?)