What's new in Windows 8.1 Update and Windows RT 8.1 Update?
We periodically release updates for Windows to include new features, the latest security protection, and the best drivers and software. Windows 8.1 Update and Windows RT 8.1 Update include improvements to make Windows more familiar and convenient for devices that use touch and mouse input and to make Windows available on a wider variety of devices, so you have more to choose from. Windows 8.1 Update and Windows RT 8.1 Update also include security and performance updates, and they must be installed for your PC to receive any future security updates for Windows 8.1 or Windows RT 8.1.
Tablets are designed to work as hard as they play by offering new levels of flexibility. They're blazing fast with longer battery life to go where you go, do what you do, and never slow you down. Touch-enabled HD screens and ultra-responsive performance give you the optimal Windows 8.1 experience, and powerful graphics make movies and games come to life as never before.