Twitter™ Sign-In Integrations let your customers register, sign in, and connect with your WHMCS installation.
You can translate the name, description, and other text for your products.
You can update manually using your preferred browser.
You can update manually using the installation script on the command line.
You can use cPanel's MultiPHP Manager and MultiPHP INI Editor features to upgrade PHP.
Update WHMCS's tax configuration when sales tax rates change. Make sure to do this as close to midnight or the system cron run as possible.
Update the PayPal® webhook URL. If your WHMCS system URL has changed because you moved the installation, some PayPal modules require this.