Adjustment of status in K1 Visa

It’s about for K1 visa or fiancée visa in United States. If you arrived in United States as fiancée visa, you should marry with your fiancée within 90 days (within 3 months) and if you failed to do so you will kick out back to the country where you from as you are already considered as illegal immigrant. However if you successfully married with your fiancée or petitioner you are eligible to stay in United States, but the next step you could do is to apply the adjustment of status, it is called a removal of condition in order to get a temporary residence or temporary greencard to be able you to work , get SSN in US, and able to drive a car, and after 2 years you need to adjust now from temporary to permanent residence that valid for 10 years, until you will not become a US citizen, that 10 years permanent greencard is renewable. To be a US citizen you should apply after 10 years of staying in the Unites States.