How do I change the time in the strategy tester if there is a grey out at the moment?

 

Screenshot

What do i have to do that at the strategy tester it isn't grey in the thrid row?

 
sirriess:

What do i have to do that at the strategy tester it isn't grey in the thrid row?

You have selected the latest month, choose custom period instead and you will given the option to select a custom start and end date for your backtest.