10
S1 E4: 10 makes fun of 7
As the story goes, 7 died last year. But in this twist of events, 7 is back to life along with 98, 2000, XP, 8 and 8.1 (well, 10 too but 10 is going end of life on 10/4/2025) 8 realizes that 7 is becoming more aggressive and tries to calm 7 down. then XP, 2000 and 10 join in on 8's side.