(Sections of the below are direct from MT.gov)
Applying for a License
You may apply for a Montana driver’s license at any exam location regardless of place of residence. You must be familiar with the driving laws of Montana. We recommend the $CSLINK to familiarize yourself with the state’s laws and required fees and documents. The manual may also be found online.
The Montana driver’s license costs $40 for an eight year license. You may pay by cash or check, no credit cards are accepted.
Individuals wishing to obtain a Montana driver’s license must:
Individuals with out-of-state licenses who wish to obtain a Montana driver’s license must:
They also may be required to pass written and driving tests, in addition to a vision test. However, driver examiners may, at their discretion, waive the written and driving tests for individuals who have in their possession a valid license issued by another state.