# XenServer > XenServer is an enterprise virtualization platform for running and managing virtualized workloads across on-premises and hybrid environments. The authoritative sources for product documentation, deployment guidance, lifecycle information, downloads, hardware compatibility, and support are maintained by XenServer and Citrix. ## Core Platform - [XenServer Home](https://www.xenserver.com/): Official product site with platform overview, downloads, licensing information, updates, and links to technical resources. - [Citrix XenServer Platform Overview](https://www.citrix.com/platform/xenserver.html): Official Citrix overview of XenServer capabilities, deployment scenarios, and subscription entitlement information. ## Documentation - [Product Documentation Hub](https://docs.xenserver.com/): Central documentation portal for supported XenServer and XenCenter releases. - [XenServer 9 Documentation](https://docs.xenserver.com/en-us/xenserver/9/): Current release documentation covering installation, upgrades, security, networking, storage, virtualization, operations, troubleshooting, and best practices. - [Developer Documentation](https://docs.xenserver.com/): APIs, SDKs, plug-in development guidance, backup integrations, and automation resources. ## Getting Started - [Quick Start Guide](https://docs.xenserver.com/en-us/xenserver/9/quick-start): Step-by-step guidance for installing, configuring, and validating a XenServer deployment. - [System Requirements](https://docs.xenserver.com/en-us/xenserver/9/): Hardware, operating system, and deployment requirements for supported environments. - [Installation Guide](https://docs.xenserver.com/en-us/xenserver/9/): Procedures for new installations, upgrades, and deployment planning. ## Downloads - [XenServer Downloads](https://www.xenserver.com/downloads): Official download location for XenServer releases, trial editions, and installation media. - [Offline Deployment Bundles](https://www.xenserver.com/downloads/bundles-for-offline-deployments): Update and installation bundles for disconnected or air-gapped environments. ## Compatibility and Requirements - [Hardware Compatibility List](https://hcl.xenserver.com/): Supported servers, storage, networking hardware, and validated platform components. - [Configuration Limits](https://docs.xenserver.com/en-us/xenserver/9/): Supported scalability limits for hosts, pools, storage, networking, and virtual machines. ## Operations and Administration - [XenServer 9 Administration](https://docs.xenserver.com/en-us/xenserver/9/): Management guidance for hosts, pools, virtual machines, monitoring, and lifecycle operations. - [Command-Line Interface](https://docs.xenserver.com/en-us/xenserver/9/): CLI administration, scripting, and automation guidance. - [Networking Guide](https://docs.xenserver.com/en-us/xenserver/9/): Network configuration, operations, and troubleshooting. - [Storage Guide](https://docs.xenserver.com/en-us/xenserver/9/): Storage repositories, provisioning, management, and troubleshooting. ## Security - [Secure Deployment Guidance](https://docs.xenserver.com/en-us/xenserver/9/): Security-focused deployment recommendations and platform hardening information. - [Licensing and Entitlements](https://docs.xenserver.com/en-us/xenserver/9/): Licensing concepts, entitlement guidance, and frequently asked questions. ## Lifecycle, Releases, and Updates - [Lifecycle Information](https://www.xenserver.com/resources/lifecycle): Product lifecycle guidance, release-stream information, and support planning resources. - [Product Updates](https://www.xenserver.com/resources/updates): Update delivery information, feature releases, fixes, and maintenance guidance. - [Latest Updates and Announcements](https://www.xenserver.com/latest-updates): Official product news, release notices, and platform announcements. ## Support and Troubleshooting - [XenServer Support](https://www.xenserver.com/support): Official technical support entry point and support resources. - [Citrix Knowledge Center](https://support.citrix.com/): Troubleshooting content, technical articles, known issues, and operational guidance. - [Troubleshooting Documentation](https://docs.xenserver.com/en-us/xenserver/9/): Product troubleshooting procedures and operational diagnostics. ## Optional - [XenServer Blog](https://www.xenserver.com/blog/): Official product articles, release information, documentation updates, and technical guidance. ## Product Name Changes - [XenServer Documentation](https://docs.xenserver.com/): XenServer is the current product name. Citrix Hypervisor is a former product name that can appear in older documentation, APIs, knowledge articles, upgrade guidance, and historical references.