Historical data only available for 1min and 1 day frames?

 
Hi experts,
I would like other timeframes of data for MT4, say 15 min, how could I get that?

Regards,
PQDzung
 
use the script period_converter to create any time period from M1 data (it comes with MT4, in script directory)
 
Thank you bubo, it would have cost me lot a time struggling :)
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