Download K9 for Win/Mac

K9 Web Protection will run on Microsoft ® Windows 8, Windows 7, Windows Vista, Windows XP, and Mac OS X 10.4.7 and higher.

It requires very little disk space, memory, or processing power. We recommend that you have about 25 MB of free disk space available for log files.

You will need a K9 Web Protection license before you install the software. Click here to get your license if you have not already.

To get the software, agree to the following statement and then click the appropriate button that corresponds to your operating system. Double-click the installation file to begin installation. You will have to agree to our EULA and Terms of Service to install or use K9 Web Protection.

By clicking on the following buttons, I agree to the applicable K9 Use License and Services Agreement, as amended from time to time, and acknowledge that I have read and understood the Blue Coat Privacy Policy, as amended from time to time

If you are looking for K9 Browser for iPhone, iPod Touch or iPad, search for "K9" in iTunes or your iDevice's App Store (or click-through to iTunes here).

For instructions on how to install and configure K9 Web Protection from the Internet, read the Quick Start Guide. You will find more documentation in our Support Area.