If prompted, type your Administrator password.

Double-click the installer file SymantecAVDefs_ppc.pkg.

Once the file is downloaded, extact the zip file.

The file name starts with NavM9_Installer.

For Norton AntiVirus 11.x (PowerPC processor) and Norton AntiVirus 10.x or earlier versoins (PowerPC or Intel processor), click the second file in the list.The file name starts with NavM_Intel_Installer. For Norton AntiVirus 11.x (Intel Processor), click the first file name in the list.Depending on the version of your Norton product the Intelligent Updater file should be:.Click on the download now button found here.How to update Symantec Norton AntiVirus for Mac: They are also available via the LiveUpdate feature in Norton Anti-Virus 9.x/10.x. Once downloaded and expanded on your hard drive, simply double-click on the Installer and the appropriate files will be installed on your computer. This file is a self-extracting archive which contains the Norton AntiVirus Virus Definitions Installer. The installer will automatically update Norton AntiVirus for Mac virus definitions and engine files to detect and repair the most recently discovered Macintosh viruses. In addition to the existing set of privileges, you can control application and service connections and manage ports.Norton Anti-Virus 9.x/10.x Defs are the latest anti-virus detection files. The built-in Norton firewall manages all incoming and outgoing connections and blocks suspicious activity and unauthorized access attempts. Provides protection against theft of your personal data and payment information when shopping online.

The security of visited sites is checked, phishing sites are blocked and network attacks are repelled.

Norton provides comprehensive protection while browsing the Internet. Also, Norton protects against attacks using application and system vulnerabilities. The antivirus module scans your Mac for malware and also scans all new files, including Internet downloads, email attachments, and removable media. The product provides protection against viruses, unwanted applications, Internet threats and software vulnerabilities. Norton Security for Mac is the all-in-one security solution for macOS. Processor: Intel Core 2 Duo, Core i3, Core i5, Core i7 or Xeon Norton Security for macOS provides comprehensive protection for your computer from viruses, malware and dangerous sites, and includes a firewall to protect against online threats.

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