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: You can activate the product by entering the key in the product's activation wizard or through the ESET HOME portal.
A valid license key is essential to activate and use ESET Internet Security. The license key ensures that the user has a legitimate copy of the software and is entitled to receive updates, support, and new features. Without a valid license key, the software may not function properly, and the user may be exposed to security risks. eset internet security license key 2023