This is a full version of Windows Vista Ultimate with a product key, perfect for anyone looking to upgrade their operating system. The software is compatible with both 64 and 32 bit systems and is designed by Microsoft. It includes all the necessary features for an efficient and effective computing experience.

The operating system is specifically designed for Windows and is ideal for those looking to enhance their computer's performance. The product key ensures that the software is authentic and adds to the overall value of the product. This item falls under the category of Computers/Tablets & Networking and Software, specifically in the Operating Systems subcategory.