Quick, capable and full of handy features, the Lenovo H500s Desktop PC is the ideal everyday computer for any user. Windows 8 The H500s comes preinstalled with the expressive Windows 8 operating system. Packed full of intuitive apps, it gives you the information that's important to you as soon as you need it. The Start screen is based around Live Tiles. These program icons display real time information from all your favourite apps including social networking, emails, news and sports directly on the home screen. You don't even have to open the program to receive important info and notifications. There are improvements coming to Windows 8 with the launch of the free 8.1 update. These include the reintroduction of the Start button, new Live Tile sizes and adjustable four-way multi-tasking windows along with developments to the lock screen, search and more. Perfect performance The H500s features a quad-core Intel Pentium J2850 processor. From hard-working students to large busy families, it's capable of delivering smooth, reliable processing for any everyday user. Quad-core processing and 4 GB of RAM make for effortless multitasking, letting you work on multiple documents, web pages and software simultaneously.