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Installing or Upgrading, here's where you'll find the files you need

Full Release

This is the latest stable release and is recommended for all new installations and upgrades. Learn More »

V5.3.14 Release Type: SECURITY Release Date: 2nd Jun 2015

Latest Release Announcement | Server Requirements | Installation Guide | Upgrade Guide

Patch Sets

Incremental releases are made available for maintenance and security related updates. These patch sets contain only the files that have changed between the previous release and the update and therefore can only be used for the version they are listed as being compatible with. Learn More »

Patch Version Compatible With Release Date
Version 5.3 - End of Life Date: 31st October 2015
V5.3.14 V5.3.13 2nd Jun 2015
V5.3.13 V5.3.12 28th Apr 2015
V5.3.12 V5.3.11 25th Feb 2015
V5.3.11 V5.3.10 17th Dec 2014
V5.3.10 V5.3.9 16th Sep 2014
V5.3.9 V5.3.8 26th Aug 2014

Pre-Release Versions

Pre-release versions are intended for testing only. They are not officially supported and we do not recommend them for use in a production environment. Learn More »

Version Type Release Date
V5.3.3 Release Candidate 2 28th Jan 2014
V5.3.3 Release Candidate 1 14th Jan 2014
V5.3.2 Beta 3 23rd Dec 2013

A full release distribution contains all the files of a WHMCS product installation.

It can be used to perform a new install or update an existing installation (regardless of previous version).

You should use this if:

You are installing WHMCS for the first time
- or -
You are upgrading from any version other than
the immediately previous version *

* If using the previous version, an incremental patch update may be available. See the Patch Sets section below for more information.

Patch Sets are the easier way to upgrade when you stay current and up-to-date with WHMCS releases.

They contain only the files that have changed between the immediate, previous version and the version of the patch.

By including only the changed files, patch sets have less files to upload which makes the upgrade process quicker and simpler for you to perform.

PLEASE NOTE: Patch Sets are only compatible with the version listed. Attempting to apply a patch to any other version will result in a "Down for Maintenance" error and require you to use the Full Release package to upgrade.

Pre-release versions are intended for testing only.

They are not supported for production use and once upgraded, it is not possible to downgrade so please consider this before installing.

Pre-releases are typically restricted to only users enrolled in our Beta Testing program.

Want to get involved? More information on Beta Testing can be found @