After payment, you will be provided with a key in the XXXX-XXXX-XXXX-XXXX-XXXX format to activate the ESET Smart Security Premium 1PC license up to 17.11.2025 Lifetime guarantee for positive feedback! For a positive review of the product, a gift certificate in the amount of 10 of the amount paid! Without geo restrictions - activation is available in any country! ESET Smart Security Premium VERSION 2023 (the most complete protection ever!) System requirements Operating system: Microsoft Windows 11/ 10 / 8.1 / 8 / 7 SP1 with latest updates macOS 10.12, macOS 10.11 / 10.10 / 10.9 Android 4.0 and up Android TV 5.0 (API level 21) and higher Linux Desktop 2.6.x Internet connection To simplify the activation procedure, the key is provided in a registered form with activation available on the device (in the program)! Re-activation (registration) of the key on the site is not available. The key is only for the program, not for web resources, not for a personal account. For personal use only, not for resale! Activation instruction: 1. Install the official version of the product, the distribution kit is available on the developer's website. 2. During the installation process, you will be prompted to activate by logging into your account - click "skip login", in the next menu select "Use the purchased license key". 3. Enter the key in the same format as issued (observing the case and the presence of all characters, including "dash"). If the official version of the product is already installed, click "Activate the full version of the product" or "Change license" (section "Help and Support"), in the next menu select "Use the purchased license key" and enter the key in the same format as issued (observing the case and the presence of all characters, including "dash"). Reactivation instruction: To change the device or reinstall it, be sure to remove this product from the device using standard means - this action will deactivate the license on the device and subsequently allow you to successfully reactivate it! In case of difficulties - write - support will be provided!