When you purchase a PC-based software license, you will receive a Software Entitlement Certificate. Redeem this certificate to receive the software license. Keep this certificate in a safe place for future reference.
Record the order number and the certificate number.
You will also need your PC's Host ID, which is viewable through Keysight License Manager. Right-click the Keysight License Service icon 
on the right side of the Windows taskbar. Then select .
You are now ready to redeem the license.