If you don’t pack for the editor, players will not be able to open your module via the Editor. If you’d like your mod to be available on multiplayer too, you need to check it.
This is the least you need to do if you want your module to be played via Steam Workshop. Which means that players will need to have these packages in order to play the game. Client: Your module will be packed for client use.In the Publishing pop-up window, the following options are available: From the File menu on the top, select Publish Module.Open the Modding Kit via the Launcher after checking your mod in the Launcher’s module list.Exporting the Module via the Modding Tools You can deploy it for the end user, dedicated servers or other modders, all of which is explained below.
You need to Publish your module via the modding toolkit in order to allow/enable other players to use your module. Uploading/Updating a Mod Preparing Your Module For Publishing