Final Betting Round and Showdown: The river, or the fifth community card, shall be dealt facing up.
Once all the 5 community cards are complete, the final betting round starts and proceeds just like the previous street.
Players have the same options. By the end of the betting round, the remaining active players with hole cards will show their cards to identify the winner.
This would be the showdown. The dealer assists in identifying the winning hand, whose player will be awarded the pot.