We aim to make upgrading WHMCS as simple as possible. Below we hope to provide everything you might need in order to successfully and confidently update your WHMCS installation.
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We offer a professional upgrade service where our staff will upgrade your WHMCS installation for you. Please refer to http://www.whmcs.com/upgradeservice.php for more information and to order that.
If you choose to upgrade yourself, please follow the instructions below and in the release notes for the specific version to ensure a successful upgrade.
You can upgrade from any WHMCS version from 3.2 onwards to the latest. You do not need to do each incremental release between your current version & the latest in order to upgrade. Simply download the full release package for the latest version as described below and then follow the upgrade instructions linked to in the included README.txt file.
Once downloaded, you are now ready to begin the upgrade process. This can vary from version to version so it is important that you refer to the upgrade instructions for your specific version. These can be found in the release notes for each version listed below.
First Released: 6th May 2009 View Release Notes
First Released: 26th August 2009 View Release Notes
First Released: 5th February 2010 View Release Notes
