what happens if you don't enter a product key for windows 10?

[texintaco]

what happens if you don't enter a product key for windows 10?

 

[texintaco]

is it like a 90 day free trial?

 

[k1114]

30 days

 

[wpgwpg]

You can't activate it until you either upgrade from a licensed and activated Windows 7 or 8.1 or put in a valid COA key.

Good luck.