Installing watchOS 10 Beta - Quick Guide
Backup Data: Always back up your Apple Watch data before installing any beta software.
Developer Account: Register as an Apple Developer to access beta versions.
Download Beta Profile: Get the watchOS 10 beta profile from the Apple Developer website.
Transfer Profile: Move the beta profile to your iPhone's Watch app.
Install Profile: Install the beta profile on your Apple Watch.
Check for Update: Look for the watchOS 10 beta update in Settings > General > Software Update.
Install Beta: If available, install the watchOS 10 beta on your Apple Watch.