Apple unveils iOS 7 and OS X Mavericks operating systems [Download Links Inside]

Apple unveils iOS 7 operating system on WWDC 2013 conference. The iOS 7 includes completely redesigned user interface and various new features such as Control Center, Notification Center, improved Multitasking, AirDrop, enhanced Photos, Safari, Siri and new iTunes Radio.

iOS 7 beta supports iPhone 4, iPhone 4S, iPhone 5, and iPod touch (5th generation), iPad 2, iPad with Retina display, and iPad mini is coming later this summer.

And also Apple introduced a developer preview of OS X Mavericks with more than 200 new features. Especially OS X Mavebricks brings Maps and iBooks to the Mac, Finder Tags and Tabs, enhanced multi-display support, performance and energy saving features, and an all new version of Safari. 

Apple developers can now download the beta versions of iOS7 and OS X Mavericks from Dev Center. 
Download - iOS 7 Beta
Download -OS X Mavericks