This one is a little bit tricky, so here is a simple tutorial on how to find this year’s Football Manager data editor.
First you’ll have to login in to your Steam client. Once loaded, go to ‘LIBRARY’ tab > now click on ‘ALL GAMES’ drop down menu > in the drop down menu click on ‘Tools’
Now in the list that appears, you’ll need to find ‘Football Manager 2013 Editor’ > click on it and follow the steps to install the editor.
Now either launch the editor from the location that is on the screenshot above or go to this path:
C:\Program Files\Steam\steamapps\common\Football Manager 2013\tools\editor
Here is a picture of how does the editor look like: