<h2>It's 90 days but u don't have that a option</h2>
Explanation:
90 days
Anyone who uses a vehicle in Texas while residing or working in the state for more than 90 days must register their vehicles. If you are a new Texas resident, you are allowed to drive with your valid and unexpired licence from another U.S. state, U.S territory or a Canadian province for up to 90 days after moving here.
