### Clue: … it reminds you to buy new silver product (7)
### Answer: NAGWARE 
 ### Explanation: Definition: … it reminds you to buy

**N** (new) + **Ag** (chemical symbol for "silver") + **WARE** ("product")
 
*Nagware is computer software that is free for a while, but frequently reminds the user to pay for its continued use.