Why isn't this a draw?

1.e4 e5 2.Nf3 Nf6 3.d3 Bc5 4.Bd2 Ng4 5.Be3 Bxe3 6.fxe3 Nxe3 7.Qe2 Ng4 8.h3 Nf6 9.Nc3 d6 10.Nd5 Be6 11.O-O-O Nxd5 12.exd5 c6 13.dxe6 fxe6 14.Qe3 Qa5 15.a3 Nd7 16.g4 O-O-O 17.c3 d5 18.Kd2 c5 19.Ke2 Qb5 20.b4 c4 21.dxc4 Qxc4 22.Kf2 Qa2 23.Kg1 Qxa3 24.Rh2 b6 25.c4 Qxe3 26.Kh1 Qxf3 27.Bg2 Qf2 28.cxd5 exd5 29.Rc1 Kb7 30.Bxd5 Ka6 31.Rxf2 Nf6 32.Ra2 Kb5 33.Bc4 Kxb4 34.Rb2 Kc5 35.Ba6 Kd6 36.Rd2 Ke7 37.Rc7 Rd7 38.Rdxd7 Nxd7 39.Rxa7 e4 40.Bb5 Rd8 41.Kg2 g5 42.Kf2 Kf6 43.Ke3 Nc5 44.Rxh7 Rd5 45.Bc4 Rd6 46.Rh6 Kg7 47.Rxd6 Kf8 48.Rxb6 Nd7 49.Rb5 Ke7 50.Rxg5 Kd6 51.h4 Nf6 52.h5 Ke7 53.h6 Kf8 54.h7 Nxh7 55.Rh5 Nf6 56.g5 Ne8 57.g6 Kg7 58.Rg5 Nf6 59.Bf7 Kh6 60.g7 Kxg5 61.g8Q Nxg8 62.Bxg8 Kf5 63.Bd5 Ke5 64.Bxe4 {4rndti won on time}

I made the last move just as the time was up but it showed that I made the move.

You mean it showed that you didn't make that last move 64 Bxe4 capturing the pawn before you ran out of time.

So you lost.

Next time, take the pawn instead of the knight. (62 Kxe4 draw)