I got a question for you: The Twelfth Amendment requires each elector to cast one vote for president and another vote for vice president. In each state and the District of Columbia, electors are chosen every four years on the Tuesday after the first Monday in November, and then meet to cast ballots on the first Monday after the second Wednesday in December. The candidates who receive a majority of electoral votes among the states are elected President and Vice President of the United States when the Electoral College vote is certified by Congress in January.

Answer this question: in order to be elected president of the united states a candidate must win?
Let's think first:
The important part for answering this question is: The candidates who receive a majority of electoral votes among the states are elected President and Vice President of the United States when the Electoral College vote is certified by Congress in January.
Therefore, the answer is a majority of electoral votes.