How do I turn on/off events for a faster playtest in 2k3?

Hello everybody!
Everytime I want to playtest my game, I have to wait for the intro to finish. Every event I add, I have to wait for them too to get to the last point I developed. I know there is a fast way to playtest consisting on turning on/off events (or was it switches?) but I can't remember how to do it.

 

Press F9 to bring up the debug window, from which you can turn switches on/off or modify variable values.

 

Once the playtest is running, I press F9 but nothing happens. I even press fn+F9 but, same. I'm using 1.12a version, if that helps.

 

I solved the problem! In Steam, in game propierties I clicked on "validate game file intergrity" and that's it.

 

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