I m new hi to all i need help

[Mr state]

Hi I buy a dish receiver in 2014 after buying I see that receiver is Linux receiver I dont use receiver like that so I put them a side a buy new receiver I want to sell but shop keeper tell me that is good receiver don't sell them I back home and on the receiver he get my interest but I find no power VU option no play YouTube and no have latest satellite lest some one tell me update the receiver so please help me to update receiver the loader version 7.26 receiver name is golden lazer 2020