Knowledge Base Article No. 1741
Article Name
Can I install a new version of ZoneAlarm over the top of an existing installation of ZoneAlarm?

Products
ZAISS

Operating System
Windows

Solution
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If you are changing from one ZoneAlarm product to another ZoneAlarm Product (for example from ZoneAlarm Pro to ZoneAlarm Internet Security Suite) then you should uninstall the existing installation first.

If you are just installing an newer version of the same product you already have installed, you are usually fine to install it over the top of the older installation "providing" that you are not installing a new version over a significantly older version of ZoneAlarm. We recommend only installing the latest version of ZoneAlarm over the top of the second latest version of ZoneAlarm.
 





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