In order to activate Microsoft Office 2021 (2019, 2016), you need to download the office distribution kit, if it is already installed, go to any office application (for example, Word).
- Go File menu - Account
- If the product has not been previously activated Click change key (if it has already been activated - Change license)
- Next, enter the product key (The key for the version you need can be purchased from our Office 2021 Office 2019 Office 2016 store)
- After successful activation, you will see the following message - The product is activated.