Player 7 wins
Two Pair: K's and 8's, kicker: 7

Player 1: 3 H 4 C

High card: K, 8, 7, 5, 4

Player 2: A D 7 D

Pair of 7's, kickers: A, K, 8

Player 3: A H 7 S

Pair of 7's, kickers: A, K, 8

Player 4: 9 D 9 H

Pair of 9's, kickers: K, 8, 7

Player 5: A C K C

Pair of K's, kickers: A, 8, 7

Player 6: 10 H J S

High card: K, J, 10, 8, 7

Player 7: 8 S K S

Two Pair: K's and 8's, kicker: 7

Player 8: Q C Q D

Pair of Q's, kickers: K, 8, 7

Player 9: 3 C Q H

High card: K, Q, 8, 7, 5

Player 10: 6 C 2 H

Pair of 2's, kickers: K, 8, 7


Flop:
2 S 8 C 7 C
Turn:
K H
River:
5 S