- 1). Insert the Primavera installation disks into your computer and select the "Install Now" option.
- 2). Press the "Full Install" button to install the software.
- 3). Open the "Start" menu, click on the "All Programs" list and find the folder for Primavera.
- 4). Right-click on the executable file for Primavera 3.1 (the file you would click to start the program). Select the "Properties" option.
- 5). Click on the "Compatibility" tab and check off the box to "Run this program in compatibility mode." Select an older version of Windows (such as 2000 or 98) from the drop-down menu and click "OK."
Source...