Install – Age Of Empires Online Celeste

Note: If you used Steam to install the game and want to use Steam to launch the Celeste Launcher correctly, then click on the Hammer Button in the launcher, then “Convert to Steam Game”. Steam should now launch the Celeste Launcher instead of the old, original launcher that is broken.

4: Troubleshooting

Follow these steps if you have any issue to run the game and/or
“Celeste Launcher.exe”.

Additional step (Windows 8 and up only):

• 5.1: Right click on “Start” button.
• 5.2: Click on “Programs and Features”.
• 5.3: Click on the label “Programs and Features” (Top
  Right of the opened windows in previous step).
• 5.4: Click “Turn Windows features on or off”.
• 5.5: Search for “Legacy Components” and expand it.
• 5.6: Check the box for DirectPlay if not already
  checked.
• 5.7: Confirm new settings by clicking “OK”.

If you have any issue to connect to server with the game and/or
“Celeste Launcher” you need to allow “Spartan.exe” and “Celeste
Launcher.exe” in your firewall. If you use the default Windows
Firewall follow this

guide (by howtogeek.com)

, and if you use another one refer to his documentation.

If you have trouble playing coop or pvp, read

this guide

.