MAK is recommended to use for activating Windows computers that rarely or never connect to the corporate network, or for small networks where the number of computers doesn’t meet the KMS activation threshold You must activate the Windows copy with the MAK key installed via the Internet or by phone. The number of activations is limited and depends on the type of your license agreement (Open, Select, or Enterprise Agreement). MAK (Multiple Activation Keys) - MAK license is like a Retail (box) license, but allows the activation of several instances of Windows using a single product key (MAK).They can use MAK or KMS keys for product activation. Microsoft offers two ways of Windows and MS Office activation for corporate customers under the Volume License program.

It also can be useful if you want to activate your Windows copy on the corporate KMS server. If you’ve installed your Windows with a MAK product key and now want to change it to KMS or install a clean OS (never activated), this guide will definitely help you.

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