· People at your fingertips. Have your most important people at your fingertips. Pin contacts to your Home screen and place them anywhere on the Home screen, dock or in folders.
· Choose your look. Personalize the look and feel of your device by customizing your wallpaper, theme and accent colors, icon packs, gestures and more.
· Personalized feed. See your most important information at a glance like news, calendar events, docs, contacts and more in your personalized feed. You can even set your feed as your default Home.
· Continue on PC. Snap a pic on your phone and see it instantly on your Windows PC* or continue editing an Office 365 document on your PC by linking your phone with your Windows PC.
· Search the web and your phone in one place. Search the web or your files, apps, docs, messages and web results using Microsoft Launcher’s universal search bar.
· Gesture customization. With deep customization for gestures, you can double tap to lock your phone, swipe up for app drawer and more.
*Continue on PC usage requires a Windows PC with the latest Windows Fall Creator’s Update
What's new for 4.3.1:
Hot fix release for 4.3 to address some of the top user feedback;