Then go to the Downloads pane and choose Product Downloads (do not choose Hotfixes & Patches) for Websense Web Security Gateway, as illustrated in the screen below. The entire Content Gateway module is upgraded with the new version. Follow basic upgrade steps to back up your current version and upgrade to the new one.
Websense Content Gateway v7.5.3 is compatible with all v7.5 versions of the Data Security Management Server, including v7.5.3 and later, but Websense recommends that customers upgrade to Data Security v7.5.3 prior to upgrading to Content Gateway v7.5.3.
A list of known and resolved issues in this release is available to customers with a current MyWebsense account. If you are not currently logged in to MyWebsense, the link above takes you to a login prompt. Log in to view the list.