Hi @mumer39
Its Artzen Tachnologies, we are happy to help you today.
To change Store Currency, you have to contact Shopify Support.
To do so follow below steps.
Login to your Backend
Go to Settings
Store Details
Choose Contact Shopify Support (Highlited in blue.)
This will redirect you to this page.(Below screenshot)
Here talk to support and they will change your store Currency.
PS:- the currency cant be changed by ourselves.
Mark the solution as Accepted if it helped
Let me know if need further assistance
Regards,
Artzen Technologies