Hi , you don't need to be confused as installing Oracle PeopleSoft is not hard as many would think. Most of the steps are clearly documented and with proper resources can be learnt very easily.
Here is an overview of steps that you would need to follow
Install Application CD
Edit and Run Database Scripts e.g utlspace, hcddl, psroles,psadmin, connect.. etc.
Copy Projects (PPLTLS84CUR, ..) , Run AE programs, Execute dms scripts etc.
Pretty much follow the database creation steps from Install guide for your database platform. Here is the link for SQL server installation guide
Install Tuxedo, WebLogic
Create App Server, Web Server, Process Scheduler
Once your envrionment is ready, you need to plan for your upgrade.
Required at upgrade and Required at install fixes are available inside the PUM images now, so you need to deploy PeopleSoft Virtual Images too.
Review your upgrade path, check hardware/software support, download upgrade templates for your upgrade path,
Follow Upgrade Guide for detailed step by step process for initial pass.
here is a brief overview of installation process - PeopleTools 8.53: Steps For Installing PeopleSoft HCM 9.2 on Windows 7