Please do not purchase this products. it's not working. totally frauds.

I have installed the : Stock Manager Advance (Invoice & Inventory System)

Item Id : XXXXXXX

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Today i have purchased : POS Module for Stock Manager Advance

Item ID: XXXXXXX

i have Upload the Folders in SMA root folder. but POS option is not comming
i see that File and foldr structure : in SMA there is no any admin folders. but in POS all code are in Admin folder. : model, view , controller s are in Admin folder. when i try to rund direct : localhost/sma/admin/pos : but it gives me 500 error. please tell me what i have to do ?

i send mail 2 times but no reply....