License Installation and Guidelines > Installing a License on a Microsoft Windows Portal Platform > 1. The best practice is to delete all prior Portal license key files from the system before you install the new license key, as this new license key replaces all other license keys. > 1. The best practice is to delete all prior Portal license key files from the system before you install the new license key, as this new license key replaces all other license keys.
   
Version 9.1.01
1. The best practice is to delete all prior Portal license key files from the system before you install the new license key, as this new license key replaces all other license keys.
2. Save the new license file on your Portal server and then complete all of the following steps.
Step 2 - Ensure that the Oracle Processes are Running
C:\opt\aptare\utils\startoracle.bat
Step 3 - Run the Installation Script and Restart Services