A candidate must receive a majority of 270 electoral votes to win the presidency.
The Electoral College questions and answers - Gonzaga University the-electoral-college-system-worksheet-answers
It was established as a compromise between having Congress elect the President and using a direct popular vote. A candidate must receive a majority of 270
Electors meet in their respective states in December to cast the official votes for President and Vice President. Historical & Practical Context the-electoral-college-system-worksheet-answers