<ul data-eligibleForWebStory="true">Tutorial on how to download and install watchOS 26 beta on your Apple Watch.watchOS 26 was announced at WWDC on June 9th, 2025, adopting Liquid Glass design and introducing new features like Workout Buddy.Supported models include Apple Watch Series 6 and later, including Watch SE (2nd gen).Prior requirements: Update iPhone to iOS 26 beta, have Wi-Fi connection, 4 GB free space on Apple Watch, and Apple Watch charger.To download: Open Watch app on iPhone, go to General > Software Update, choose Beta Updates, select watchOS 26 Developer Beta, and download/install.Pro-tip for quick installation: Turn off Bluetooth on your watch, connect to Wi-Fi, and download the update directly on your Apple Watch.Check download progress by monitoring Storage in General settings.Troubleshooting tips: Ensure watchOS 26 update is prepared, Apple Watch is on the charger for installation, and try restarting devices.If 'Beta Updates' option is not visible, ensure iPhone has iOS 26 beta, restart devices, and try again after some time.