After you beat Alpha and have gotten all 5 stars and have beaten the Omega Navis go to Special Area 3.Now go to were Serenade is standing go behind her to face Zero.exe.His HP is 1500.Now go to Dexs Hp and there will be Zero.exe V2 with 1900 Hp. Finally jack into Higsbys Numberman mascot.V3 will randomly appear with 2400 Hp. Jack out and then go to were Alpha is he will be replaced by Omega Zero.exe with 3000 Hp.