You might wanna check sims based forums.
Why not google sims forums or sims cracker?
Tahts cause you don't need to buy anything from sims store thingi just follow tuts on how to download free sims Dlc
i just want a separate account from my sister not to buy stuff xD
You Need an un used Authentication code to register >_>
There's a large number more than 2176782336 possibilities.
Try guessing a code, you have a decent... ish. Chance.
(above number was derived assuming that there are 6 characters per code, and the code contains only lowercase letters, and numbers)
It Contains Upper case and its a total of 20 characters Guessing and getting a valid would be slim to none...
704423425546998022968330264616370176 possible combos then.
An example of the authentication key would be "7YV5-7G9K-DVXC-DDVV-GRLD"