Hello,
I believe you wanted to say 90558 and not 905580, right?
You need to collect your historical data from the broker you are using. We explain how we do that in our Portfolio of 100s Forex Strategies course. The idea is that you need to run your MT4 with months in order to collect the needed data. It’s up to you how many bars you will use on the different time frames. On M15 and above 100 000 bars are more then enough. On a small trading account you can go up to 20-30 strategies with no worries with a trading volume of 0.01 lots. Make sure you diversify the risk on different pairs and different time frames.
Cheers