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System Requirements​


Most current web servers* with PHP & MySQL installed will be capable of running WHMCS.
The following table shows the minimum and recommended system requirements for running WHMCS 8.0 and later.
Looking for the requirements for the earlier WHMCS 7.5 - 7.10 versions? Click here

RequirementMinimumRecommended
PHP Version7.2Latest 7.3 or 7.4 Release
PHP Memory Limit64MB128MB**
PHP Database ExtensionPDOPDO
PHP ExtensionsCurl with SSL
GD2 Image Library
JSON Support
XML
Iconv
MBString
GMP
OpenSSL
BC Math
Intl
MySQL Version5.2.0Latest 5.7
Ioncube Loaders10.2.0 or laterThe latest 10.x Ioncube for your PHP version


We are pleased to announce the release of WHMCS 8.1 to General Availability.

This marks the end of pre-production testing, and WHMCS 8.1 is now the recommended version for all new installations and updates.

WHMCS 8.1 introduces a New Client Area Theme "Twenty-One", Support for Child Themes, OAuth for POP3/IMAP, Google Analytics 4 Integration and Automated User Cleanup functionality.

What's new in WHMCS 8.1
  • New Client Area Theme - Updated, improved, and built upon Bootstrap 4. Learn more
  • Child Themes - The new and easier way to create custom themes. Learn more
  • OAuth for POP3/IMAP - Ensuring compatibility for upcoming changes from email services. Learn more
  • Google Analytics 4 - Ensuring full support and compatability with the new Google Analytics. Learn more
  • Automated User Cleanup - Delete and manage users easily. Learn more
For more information about all of the new features in WHMCS 8.1, visit the What's New in WHMCS 8.1 Microsite
Getting the Update
Automatic Update
You can update to the latest version of WHMCS using the Automatic Updater. Simply navigate to Utilities > Update WHMCS to begin the update process.

Important Note: WHMCS 8.0 and above require PHP 7.2 or later. You must be running PHP 7.2 or later in order for the Automatic Updater to show WHMCS 8.1 as available to install. If you are running PHP 7.1 or earlier, to update to WHMCS 8.1 via the Automatic Updater, you will first need to upgrade to PHP 7.2 or PHP 7.3, and then Check for Updates and perform the update.

As always, a download is also being made available for those who wish to install or upgrade manually. You can download WHMCS 8.1 from our downloads page.
Author
Admin
Size
67.2 MB
Extension
zip
Downloads
12
Views
4,263
First release
Last update

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