It depends what store you want. Select your local store from the link below for details about that store.

No, store is not an adverb.

Store is in fact a noun ("I am going to the store") and a verb ("I will store these in the attic")

its a store which is changing into a bigger store

Store Hosting?

Probably the question is not well written. This could be a store over the internet.

A store over the internet is a E-Shop- E-Store- Ecommerce Store and hosting the store could be the store that is hosted in the hosting company that provides the services to host the store.

Telephone number to the Apple Store store.

Tienda means store so Tienda Apple or Apple Store is sufficient. Tienda Apple Store is Apple Store store.