Install Kaspersky Activation Code What is activation code An activation code could be a distinctive set of characters that come in 4 blocks of 5, separated by a hyphen (-). Every block includes five characters which might be a mix of letters and numbers, that involves a complete of twenty characters (XXXXX-XXXXX-XXXXX-XXXXX). Kaspersky activation code is needed for activation of the business version of Kaspersky Antivirus 2018. If you’ve got installed Kaspersky Antivirus 2018, however, you do not have an individual activation code to activate the product, then you’ll have to purchase the license of it and then activate the product.