LTS stands for long-term support - which means five years, until April 2025, of free security and maintenance updates, guaranteed. Download the latest LTS version of Ubuntu, for desktop PCs and laptops. On the Installation Type screen, select the Uninstall GlobalProtect package check box, and then click continue.
On the destination select screen, click continue. From the GlobalProtect installer, click continue.
Download the installer from the portal page at (same process as the previous Mac GP Client install).