Blizzard Customer Support is unable to assist with in game issues for Call of Duty
Troubleshooting Error Code: BLZBNTBGS00000033: This account does not own Call of Duty®: Black Ops 4 / Modern Warfare
Modern Warfare crashes with the Windows DEV ERRORs.
All in-game purchases in Call of Duty are final, and not eligible for refunds.
What to do to unlock the Battle Pass after purchasing Call of Duty: Modern Warfare Battle Pass Edition.
Troubleshooting performance problems in Modern Warfare.
Information about missing items when purchasing Call of Duty: Warzone - Starter Pack
Read Activision's FAQ for more information on pre-purchasing Call of Duty: Modern Warfare.
What to do when you have not received the 20 tier skips from the Battle Pass Bundle in Call of Duty: Modern Warfare
Some free games require that you add a phone number to your Blizzard account