Documentation For Upgrade of CA PAM 2.8 to CA PAM 3.2.4
Article ID: 128538
CA Privileged Access Manager - Cloakware Password Authority (PA)
CA Privileged Access Manager (PAM)
The following link contains detailed steps for upgrading from 126.96.36.199 to 3.0.0:
The following link contains detailed steps for upgrading from 3.0.0 to 3.02 to 3.1.1 and beyond:
PAM 2.8, 3.2.4
The above two links contain exact steps with graphical illustration that you can follow when upgrading PAM.