Choose "PeopleSoft Enterprise" from the product drop down and "HP-UX PA-RISC (64-bit)"
from the platform drop down and find disks.
On Download page download Tuxedo 10gR3 for HP-UX PA-RISC (64-bit) part number is V15058-01
Steps of Installation in GUI mode :
1- Go to the directory where you have put the installer and execute the command
2- Select Full Install from the next screen
3- Select the path for your Tuxedo home directory as shown in red
5- Chose a new user name and password for tuxedo
6- Congratulations you are done with the tuxedo installation
7-set the variable in profile.
Verify your Tuxedo Installation using below command
INFO: Oracle Tuxedo, Version 10.3.0.0, 64-bit, Patch Level (none)