A question of my FSX?

Question

when first time i inserted my FSX product key in my FSX so it work,but now second time im inserting so it is saying invalid key,please help me guys.

Answer 1

before you check on microsoft be sure you bought it original copy not  a pirated one you may be a victim of Software p****y

Answer 2

a

Answer 3

contact microsoft customer support.

the key is only vaild 2 or 3 times. there must've been bug and microsoft thinks you already used it a couple of times.

or somebody stole your key and used it