Apple today announced two things - iOS 9 beta 3 release for registered developers and XCode 7 Beta 3 to public. Yes, the latest beta version of XCode is now available for download without the need to be part of Safari developer.
The Apple XCode 7 Beta 3 release comes with iOS 9 Beta 3, Mac OS X 10.11 Beta 3, WatchOS 2 Beta 3. To install XCode 7 Beta you should have a Mac OS running OS X 10.10.3 and it includes SDKs for WatchOS 2.0, iOS 9 and OS X version 10.11.
How to Install
Installing this Xcode beta version is quite easy. Just double click the Downloaded DMG file and drag the Xcode-beta.app file to Application folder.
That will install Xcode 7 Beta 3 version on your Mac.