This book covers the installation and subsequent post-installation activities within the Windows Server 2025 framework, starting with an introduction to computer networks and Windows Server 2025, and delving into more advanced Windows Server 2025 operations as readers progress. This includes installing various roles and configuring client/server network services like AD DS, DNS, DHCP, WDS, PDS, WSUS, web server, Hyper-V, and other essential network services.Building upon these foundations, the book leverages real-world scenarios to deepen understanding of Windows Server 2025 fundamentals, providing adept solutions to intricate tasks. The book also addresses maintenance and troubleshooting responsibilities and explores new and advanced features such as on-premises server hotpatching with Azure Arc, next-generation Active Directory and SMB enhancements, improved storage performance with NVMe SSDs and better SAN integration, and robust in-place upgrades for streamlined version updates.Structured to initiate users into SysAdmin tasks for effectively managing Windows Server 2025, this book employs a systematic approach. The content is presented sequentially, accompanied by illustrative snapshots. Readers will swiftly carry out installation, role addition, feature configuration, and server setup within Windows Server 2025. The instructions, guided by clear and targeted graphics, systematically unveil the functionality, features, operations, and details of Windows Server 2025.