1. Open the game you got the triggers you want.
2. Open the map you want to have the triggers on. (Use the "Open Map" button.)
Now click - Window -> "Name of map with triggers" (If your not alredy there)
Go to Trigger Editor.
Move all the triggers you want into 1 folder!
Select the folder with the triggers, and press: CTRL + C (Also known as: Copy)
Now go to the map where you want your triggers.
Then just open the Trigger editor and click on 1 of the current folders, then press: CTRL + V (also known as: Paste)
There, now the folder with all your triggers is in the game you want it to be in!