Check the current installation status of your ESET product

Do you have an account with Administrator privileges?
You need an account with Administrator privileges. If you are not an Administrator, you cannot upgrade or uninstall. Contact your system administrator to upgrade.

Is the ESET product working properly after a failed upgrade?
After the failed upgrade, open the main program window to verify the ESET product is working correctly.
If the upgrade failed and the ESET product is not accessible, or the ESET product reports a Security alert with multiple messages, proceed to step 2 as soon as possible.

Uninstall your old ESET product or any previously installed antivirus software

Use the ESET Uninstaller tool to manually uninstall an ESET product

Uninstallers (removal tools) for common Windows antivirus software

Install version 6.5

•Select the appropriate language and download the version of the appropriate package:

•To install a version 6.5 ESET endpoint product, refer to Install or upgrade ESET Endpoint Security or ESET Endpoint Antivirus on a client workstation (6.x) and skip to step 2 in the Knowledgebase article.

Plan operating system upgrade

Upgrade to the latest version of Windows 10 or Windows 11 as soon as possible.

Windows 7 users unable to upgrade to Windows 10: Install the latest Windows 7 updates