US voters have spoken: What's next to make it official?

A person holds a sign referring to the number of electoral votes needed to win the presidency while demonstrating outside the Pennsylvania Convention Center where votes are being counted, Thursday, Nov. 5, 2020, in Philadelphia, following Tuesday's election. (AP Photo/Rebecca Blackwell)

WASHINGTON: This year's election was not the last step in selecting Joe Biden as the next American president. Under a system that’s been tweaked over two centuries, there is still a weeks-long timeline during which the 538-member Electoral College formally selects the president.

A look at the key steps: