The Map Editor is a separate tool and can’t be accessed through the game. To access the Map Editor, open your Steam client, click on LIBRARY → TOOLS and double-click Stronghold Crusader 2 Map Editor to start the download.  Once the download has completed double-click again on Stronghold Crusader 2 Map Editor to load the Map Editor.

IMPORTANT: You must install the Stronghold Crusader 2 game before you install the map editor.

The Stronghold Crusader 2 Map Editor tutorial can be found at the top of the Stronghold Crusader 2 Steam workshop page, within the "Learn More" section.

If you have difficulties finding the page, the tutorial can be found here: http://steamcommunity.com/sharedfiles/filedetails/?id=353757026

The Stronghold Crusader 2 Map Editor is located in the Library/Tools menu within Steam. You must install the Stronghold Crusader 2 game before you install the map editor.

If you experience issues with the map editor not starting correctly, please follow the following troubleshooting steps:

1) Make sure you have installed the prerequistite files required to run Stronghold Crusader 2 Map Editor

• Microsoft .NET Framework 4 (Standalone Installer):
• C:\Program Files (x86)\Steam\steamapps\common\Stronghold Crusader 2\resources\dotNetFx40\dotNetFx40_Full_x86_x64.exe *
  or
• http://www.microsoft.com/en-gb/download/details.aspx?id=17718

2) Check your anti-vius software

Some anti-virus software can be overprotective and may prevent Stronghold Crusader 2 from running.

Please either make C:\Program Files (x86)\Steam\steamapps\common\Stronghold Crusader 2\bin\win32_release\MapEditor.exe * an exception in your firewall software or disable your anti-virus software when trying to run Stronghold Crusader 2.

* this is the default Steam installation path for the game

When creating teams for single player missions in Stronghold Crusader 2 maps, you need to access the 'Teams' section under the 'Factions tab'. Here you can assign numerous AI into teams, though you cannot create mixed alliances between the different lords. For example: You could not assign yourself or another lord to be in two separate teams or to be aligned with every other lord on the map, as there needs to be at least two clearly defined groups. These teams are not defined through the Event editor.

If you are trying to assign teams in Multiplayer or Skirmish maps, it is just done through the in-game lobby system. Multiple teams can be set up quite easily by just dragging one lord over another lord, though this still means that you cannot have a single lord in multiple teams, he /she can only only be part of one faction.