Upgrade your computer with this Microsoft Windows Vista Home Premium software. This DVD includes the necessary software and key to activate it. The operating system is designed for use with Microsoft Windows Vista and has a minimum processor speed of 1 GHz. The software is available in English and has a license category of Standard. It requires a minimum hard drive space of 40GB and is suitable for use on one device. The product category is Computers/Tablets & Networking and it is a great addition to your operating system.