ESET has released version 18.104.22.168 of ESET NOD32 Antivirus 4 Business Edition for Mac OS X and ESET Cybersecurity for Mac OS X, which is compatible with the latest Apple release of Mac OS X 10.7.1 Lion. If you receive the error message "This installer is intended for use with Mac OS X version 10.5.x or 10.6.x!" when attempting to install your Mac OS X ESET product on the Mac OS X 10.7.1 update, download and install the latest version of ESET from our downloads page. NOTE: If you are updating to the latest Mac OS X version and leave ESET installed, full operation and system protection will continue. How do I install ESET Cybersecurity for Mac - digital download? How do I install ESET NOD32 Antivirus Business Edition for Mac OS X? For more information about the Apple update, visit the Apple support site: OS X Lion Update 10.7.1 (Client).