In Pictures: Leaked features in Windows 8.1 Update...
Lower memory and disk space requirements
Supposedly, Update 1 will reduce Windows 8.1’s system memory use and on-board storage, in order to tune up the OS to run more efficiently on low-end tablets. This may benefit owners of Windows 8.1 tablets with 8-inch screens and Intel processors from Dell, Lenovo and Toshiba
In Pictures: Leaked features in Windows 8.1 Update 1