Download VMware ESXi 5.0 Installable Update 3

ESXi 5.0.0 Driver Rollup 3 (Includes VMware Tools)
ESXi 5.0.0 ISO with updated drivers (Includes VMware Tools) Boot your server with this ESXi Driver Rollup image in order to install ESXi with updated drivers. (ESXi requires 64-bit capable servers) NOTE: This image should not be used for ESXi upgrades.
ESXi 5.0.0 Driver Rollup 3 Release Notes

ESXi 5.0 Installable Update 3d(CD ISO)
In this ISO, the Transparent Page Sharing(TPS) on ESXi has been disabled by default and pshare salting is enabled. For more information on the issues resolved, please refer to KB# 2101910 .

Boot your server with this CD image in order to install or upgrade to ESXi 5.0 Update 3d. NOTE: VMware ESXi 5.0 Update 3d require 64-bit capable servers for installation and execution. Please refer to the VMware Compatibility Guide for a list of qualified server hardware.

ESXi 5.0 Installable Update 3(CD ISO)
Boot your server with this CD image in order to install or upgrade to ESXi 5.0 Update 3. NOTE: VMware ESXi 5.0 Update 3 require 64-bit capable servers for installation and execution. Please refer to the VMware Compatibility Guide for a list of qualified server hardware.

ESXi5.0 Update 3 Offline Bundle
Contains VIB packages, bulletins, and image profiles for ESXi, including VMware Tools. Use the Tools bulletin with VMware Update Manager to deploy VMware Tools to ESXi hosts. Use the image profiles and the VIB packages with VMware Image Builder and VMware Auto Deploy to create custom image/ISO generation for ESXi deployments. The VIB packages and image profiles may also be used with the new VMware ESXCLI.

VMware Tools 5.0 Update 3 - CD image for Linux Guest OSes
VMware Tools CD image for Linux Guest OSes

VMware vSphere Client 5.0 Update 3
VMware vSphere Client installer (Client available in English, German, French, Japanese and Simplified Chinese)