The Microsoft Windows 10 Pro 64 Bit USB Flash Drive is a retail operating system designed for use with Microsoft Windows 10 and Windows operating systems. It requires a minimum of 4GB of RAM, 1GHz processor speed, and 4GB of hard drive space. The flash drive format makes it easy to install and use on multiple devices. With a lifetime manufacturer warranty and English language support, this product offers a convenient and reliable option for upgrading or reinstalling your operating system.