Here's how to Fix Disney Plus Error Code 83 in Windows/macOS/Chrome OS.

9/7/21 Added:
update your web browser.
check and improve your internet connection, if needed (you're using a slow one).
ensure your device meets Disney Plus' system requirements.
Check your Disney Plus account status.
For iOS or Android users, update the Disney Plus app in your phone or, remove then delete the app.

1/4/21 Added:
Try a different web browser: Google Chrome, Mozilla Firefox, Brave, Opera, Safari and/or Microsoft Edge.
Check for Device Firmware Update via Avast Driver Updater@ https://www.kqzyfj.com/click-7952654-12875308.
Try Updating current Disney+ app.
Try removing then reinstalling Disney+ Application.
Check then (Google how to) improve internet connection & speed (if needed)
Restart your device.
Try a Different Disney+ Account.

Learn more@ https://www.youtube.com/c/ITGuides/search?query=Disney%20Plus.