System Requirements

You need a broadband connection such as DSL or cable with at least 1.2Mbps download bandwidth. You must also make sure your browser and Adobe® Flash plugin are up to date.

Browser Requirements

The most recent version of the following browsers and operating systems are supported.

Note: Your browser may display an authorization error when trying to watch the stream. Temporarily change your Block Cookies setting to Never to resolve the error.

WindowsInternet Explorer 11

Note: The encryption method being used for the site was not supported for iOS until Safari 11.2. To browse on an iOS device, Safari 11.2 or the BlizzCon mobile app are required. 

Mobile Streaming

While your device may support streaming in HD, some carriers can limit the resolution your device will stream—these limitations also apply to tethered devices. You may be able to modify these limitations on your mobile service provider's site.

If you are having trouble viewing the stream in a web browser on your mobile device, please download the BlizzCon app from the Google® Play or Apple® App stores. 

Note: Streaming at higher resolutions will use high amounts of data if you're on a mobile network.


If you are unable to watch BlizzCon content on an Android® device you may need to follow the steps below to unblock the site.
  1. Open the Chrome app on your mobile device
  2. To the right of the address bar, tap the More icon
  3. Select Settings
  4. Select Site Settings
  5. Select Media
  6. Select Protected Content
  7. Toggle the option to on so that sites are no longer blocked.

Blizzcon App Casting

The BlizzCon mobile app and site natively support AirPlay and will begin supporting Chromecast in time for the 2018 event at Anaheim Convention Center. If you experience trouble with these features, you may want to attempt the workarounds below. 


Use the Cast screen / audio feature in the Google® Home app, and open your video in fullscreen once you're casting.


Use Screen Mirroring from the Control Center, and open any video in fullscreen once Airplayed to a TV or Device.