First you need to have created a new Portal default framework which provides the outline of how your
portal is going to look.
Step 1 - Login
First things first you need to login to your SAP portal as the Portal administrator with system administration rights, this role has lots of power to messup the
portal so be carefull:-)
Step 2 - Navigate to existing theme
Go to 'System Administration' tab and select the 'Portal Display' sub tab. Now ensure the Theme Editor option is selected. Now click on the 'SAP Tradeshow'
theme.
Step 3 - Copy existing theme
Click on the 'Save AS' button and enter a new name and ID. Click Save (this may take a while to save so be patient).
Step 4 - Create portal desktop
Once you have successfully saved your new theme you need to create a new
SAP Portal Desktop, within the 'Desktops & Display Rules' section.
Click here for step by step instructions on creating a SAP portal desktop.