Microsoft Windows 10 was released July 29, 2015. We highly recommend that you upgrade your ESET product to the latest version before upgrading to Windows 10.
Which ESET Smart Security versions are compatible with Windows 10?
ESET Smart Security – versions 8.x and later If you are currently using an ESET product that is compatible with Windows 10, then there is no need to upgrade. All settings and license information will be migrated.
For more information, please see the following ESET resources:
Compatibility of ESET products with Windows 10: Questions & Answers
How do I upgrade to Windows 10 with my ESET product installed?