VMware Downloads & IT Resources

VMware vSphere 8.0 Update 3 Downloads: ESXi and vCenter Server

Find the VMware ESXi 8.0 Update 3k offline depot bundle, ESXi 8.0 Update 3i installation ISO, and vCenter Server 8.0 Update 3k ISO listed in this download collection. Review each build number and file type before downloading or deploying it in your lab or virtual infrastructure.

Platform: VMware vSphere Major version: 8.0 File types: ZIP and ISO Site: VMoreCloud

Available VMware Downloads

The files below represent different components and release levels within the vSphere 8.0 Update 3 family. Select the download that matches your installation or maintenance task.

Version and compatibility notice: ESXi 8.0 Update 3k and vCenter Server 8.0 Update 3k are listed alongside an ESXi 8.0 Update 3i installer. Update 3k is newer than Update 3i. For a production deployment, check the current Broadcom release notes, hardware compatibility information, and the supported ESXi/vCenter interoperability matrix before proceeding.

Offline update bundle

1. VMware ESXi 8.0 Update 3k Offline Depot

An offline depot ZIP for ESXi host patching and image-based lifecycle workflows. It is not the normal bootable installer ISO.

VMware-ESXi-8.0U3k-25595708-depot.zip

Build: 25595708

File type: ZIP offline bundle

Screenshot size: Approximately 651.1 MB

Download ESXi Depot ZIP Official Build Details

Confirm the file size and build against the official Broadcom portal before using the bundle.

Virtualization management

2. VMware vCenter Server 8.0 Update 3k

vCenter Server Appliance installation media for deploying or managing a centralized vSphere environment. Confirm whether your ISO is full installation media or patch media before use.

VMware-VCSA-all-8.0.3-25600417.iso

Build: 25600417

File type: ISO image

Screenshot size: Approximately 11.93 GB

Download vCenter ISO Official Build Details

Verify the ISO’s exact purpose and release notes before starting a new deployment or upgrade.

Bootable installer

3. VMware ESXi 8.0 Update 3i Installer

Bootable ESXi installation media for installing the hypervisor on supported physical servers or suitable lab hardware.

VMware-VMvisor-Installer-8.0U3i-25205845.x86_64.iso

Build: 25205845

File type: ISO image

Screenshot size: Approximately 629.4 MB

Download ESXi Installer ISO Official Release Notes

Update 3i is older than Update 3k. Choose it when you specifically need this installer build and have verified compatibility.

Official source

Download from Broadcom Support

For the most reliable source, locate the required vSphere product and release through Broadcom’s official support portal. Account authentication or entitlement may be required.

Use the portal to confirm current availability, release information, and whether a file is installation media or a patch.

Open Broadcom Support ESXi Version Reference

VMware vSphere 8 Download Details

Component	Release	Build	File format	Primary purpose
VMware ESXi	8.0 Update 3k	25595708	ZIP	Offline patching and lifecycle workflows
VMware vCenter Server	8.0 Update 3k	25600417	ISO	vCenter Server Appliance deployment or applicable maintenance
VMware ESXi	8.0 Update 3i	25205845	ISO	ESXi host installation

File sizes above are transcribed from the supplied screenshot, not independently verified portal sizes. Sizes can differ by packaging, download source, or file variant.

What Is VMware vSphere?

VMware vSphere is a virtualization platform used to run and manage virtual machines on compatible server hardware. ESXi is the hypervisor installed on a physical host. vCenter Server provides centralized management for supported ESXi hosts, virtual machines, clusters, and related infrastructure features.

These components are commonly used in enterprise data centers, private-cloud environments, training labs, and virtualization learning environments.

Key Components and Uses

VMware ESXi

Runs virtual machines directly on compatible physical hardware.
Provides host-level compute and virtualization services.
Can be installed using supported bootable ISO media.

VMware vCenter Server

Centralizes management of supported vSphere environments.
Supports cluster and host administration.
Provides the management plane for applicable vSphere features.

Which File Should You Download?

Installing a new ESXi host: use the ESXi installer ISO after checking server compatibility and the release you intend to deploy.
Updating an existing ESXi host: the offline depot ZIP is intended for supported patching and lifecycle workflows. Follow the relevant Broadcom procedure for your environment.
Deploying vCenter Server: first verify that the supplied ISO is full installation media and not a patch-only ISO. Follow the official deployment or upgrade documentation for that exact release.

Compatibility reminder: Do not assume that every combination of ESXi and vCenter builds is supported. Check Broadcom’s interoperability guidance, release notes, server vendor support matrix, network adapters, storage controllers, and boot-device compatibility before upgrading or installing.

Basic Installation and Update Guidance

Review the requirements. Confirm CPU support, memory, storage, firmware, and supported NIC and storage-controller drivers for the exact server model.
Back up first. Back up important virtual machines, configuration data, and vCenter Server according to your recovery plan. Ensure you have tested access to required credentials.
Install ESXi when required. Boot the target host from the installer ISO, select the correct installation target, and carefully follow the installer prompts. Installation may erase data on the selected device.
Configure host networking. Configure management networking, DNS, time synchronization, and storage connectivity appropriate to your environment.
Deploy or maintain vCenter. Follow the official documentation for the exact vCenter ISO type and supported upgrade path. Do not treat patch media as a full installer.
Apply ESXi updates carefully. Use a supported lifecycle method for the offline depot. Review maintenance-mode, workload migration, reboot, and rollback requirements first.
Validate the result. Check host health, storage paths, management access, virtual machine connectivity, and monitoring after the installation or update.

Official Documentation and References

Broadcom Support Portal — official product downloads and support resources.
VMware ESXi build numbers and versions — verify the ESXi release and build.
VMware vCenter Server build numbers and versions — verify the vCenter release and build.
ESXi 8.0 Update 3i release notes — release-specific information for the installer shown above.
Broadcom Technical Documentation — deployment, upgrade, and administration guidance.

Before You Download

Use software obtained from a trusted, authorized source.
Check that the filename and build number match your intended release.
Keep installation media and backups in a secure location.
Use a lab or maintenance window to validate changes before production rollout.
Confirm that your use complies with the applicable VMware/Broadcom license terms.

About the Author

Khurram Shahzad — Hybrid Cloud & Virtualization Engineer

Hybrid Cloud & Virtualization Engineer specializing in VMware, Azure, AWS, Windows Server, Microsoft 365, Linux, networking, backup and disaster recovery. I share practical guides, technical projects and insights into modern IT infrastructure through VMoreCloud.

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Disclaimer: VMware and vSphere are trademarks of Broadcom Inc. VMoreCloud is an independent technology resource and is not affiliated with or endorsed by Broadcom. Product names are used for identification and educational purposes. Availability, file sizes, licensing, and supported configurations may change; consult the official vendor documentation before deployment.