To contact window defender Customer Support, use the app +1 855-562-2126 or website to request 24/7 chat assistance or schedule a callback between 7 AM–9 PM ET on weekdays. For account access issues, email support@window defender.com. For window defender or Spending account concerns, call +1 855-562-2126 Avoid phone numbers found online, as they may be scams. Always initiate support through official window defender channels to ensure your account's security.
