Locate the K9 installer once it has completed downloading. The default location should be C:\Users\<YourUserProfile>\Downloads\
Double-click the installer (k9-webprotection.exe) to begin the installation wizard.
When prompted “Do you want to allow the following program to make changes to your computer?” select [Yes].
You should now see the “Blue Coat K9 Web Protection Setup” wizard. Select [Next] to continue.
Review the License Agreement and select [I Agree] to continue.
Enter your K9 license and create your K9 administrator password. If you do not have a license, please visit our License Request page and fill out the request form (https://k9.symantec.com/get-k9-web-protection-free). If you are purchasing K9 for your organization, be sure to select the option “Get K9 for your organization”.
After the installation is complete, please select the option “Reboot Now” and click [Finish].