The Microsoft Windows Server 2025 Standard 64Bit 16 Core-50 CALs DVD is a sealed operating system designed for use with Microsoft Windows Server 2025, Windows, and Microsoft Windows 10 64-bit. The product includes 50 client access licenses (CALs) and requires a minimum of 512 MB to 2 GB of RAM, 32 GB of hard drive space, and a processor speed of 1.5 GHz. With a lifetime manufacturer warranty and English language support, this DVD offers a reliable and secure solution for operating system management.