Generate an Authorization token from Speckle.xyz website
Register and login to https://Speckle.xyz website
Go to your profile
Go to Personal Access Tokens
Press NEW TOKEN, give a name for your toke and add all privileges
Press save and then your token will be ready. Copy it.
Go to the PrismArch UE4 application. Press Spacebar to open the dialogue if it is closed and go to gear icon. Then paste the authorization token in the first field.
If it is successfully inserted then you should see your information as fetched from Speckle Server. PrismArch UE4 will save them so that you do not need to enter the Authorization token or any other information again.