Remove legacy Symantec AntiVirus (SAV) for Mac installations before installing SEP for Mac 12.1.x or 14.x. Mac clients for Symantec Endpoint Protection Cloud do not support Mac OS X 10.11 (El Capitan). As of macOS 10.13, you must authorize the SEP kernel extension after installation for SEP to fully function.
![Cnet Cnet](http://pcsplace.com/wp-content/uploads/Screen-shot-2012-05-05-at-4.22.48-PM.png)
IMPORTANT: If you have any other anti-virus software on your Mac, you must uninstall it first. Hardware Requirements. Mac computer with an Intel Processor. 1 GB of RAM or higher Software Requirements. OS X Leopard. OS X Snow Leopard.
OS X Lion. OS X Maverick. OS X Yosemite. OS X El Capitan. macOS Sierra Installation Instructions.
Close all open applications before install. Login to Marquette's Microsoft site WITH YOUR MARQUETTE.EDU EMAIL ADDRESS AND PASSWORD to download. IMPORTANT: Open the 'Additional Resources' folder, double-click the SEP.mpkg installer and select Continue.
![Free antivirus for mac computers Free antivirus for mac computers](/uploads/1/2/5/4/125405587/585799750.png)
Make sure the installation type is set to Macintosh HD and select Continue. Enter the username and password for your computer when prompted and select Install Software. Select Continue Installation when prompted. Wait for the installation to finish, and then select Restart to restart your computer. The installation is then complete. For questions about anti-virus installation, please contact the.