I have Zone Alarm (free version) and just purchased PC Tune Up (through Zone Alarm). I got the following message when I purchased the product:
"IMPORTANT LICENSE KEY INSTALLATION INFORMATION
Correct installing of your License Key is important to avoid expiration problems!
Installing your License Key
Open the ZoneAlarm Control Center by clicking the ZoneAlarm logo in the system tray in the lower right corner of your Windows desktop. Click the "Overview" tab from the list on the left side of the Control Center screen. Then click the "Product Info" tab in the upper right portion of the screen. In the Product Info section, you will see "License Information" Click the "Change Lic" button in this section. A new window titled "License Information" will open showing your current license key.
Copy the 27 digit license key shown above on this webpage and paste it in place of any key listed in the "License Information" window open on your Windows desktop. Once you have pasted the new key, click "Apply". If you have been successful, you will get a message "Your license key was successfully installed". Congratulations, you have completed the license key installation process.
If you get an error message "Invalid License Key", you will need to contact ZoneAlarm Customer Support for further help.
Note: For error-free results, do not enter your license key by hand - Copy and Paste it."
First problem is the license key they gave me is longer than the 27 digits it says it should be. I copied the whole thing and I copied just the first 27 digits. Then I followed their instructions and keep getting "the license key you entered is not valid". I have Zone Alarm free version 7.0.408.000
I went to Zone Alarms site and must admit, I am not sure how/who in "ZoneAlarm Customer Support" I am supposed to contact, so thought I would try this.
Operating System:Windows XP Home Edition
Product Name:ZoneAlarm (Free)