*If you don't have a product key or an account You'll sign in with your work or school account for these versions of Microsoft 365. Once you verify you have a license, anytime you need to install or reinstall Microsoft 365 you can go straight to the section below, Sign in to download Office and select the tab for steps to install on a PC or Mac.
Learn how to check this in What Microsoft 365 business product or license do I have? or if you're a Microsoft 365 admin responsible for assigning licenses to people in your organization, see Assign licenses to users.
To run cmd.exe as administrator, enter the following command:Īt the command prompt with administrative rights, you can continue with manual KMS activation.If your Office for business subscription plan includes the desktop version of the Microsoft 365 apps you won't see an option to install it unless someone in your organization assigned a license to you. This will start a command-line interface prompt without administrative rights. In this case, to perform the KMS activation, enter the path into Internet Explorer: When the 30 day grace-period has expired, Windows is running in “Reduced Functionality Mode“, only the Internet Explorer can be called. This error can usually be resolved by a BIOS update. The KMS activation expect here a so-called “Windows marker” and fails if it is corrupted or not found. Such BIOS version contains an invalid ACPI_SLIC table. on right mouse click.Įrror 0xC004F074 (“The Key Management Service (KMS) is unavailable”): In most cases it refers to incorrectly set time or the time zone.Įrror 0xC004F035 and 0xC004F059: Especially for computers that were originally acquired with an OEM operating system, in this case the KMS activation is prevented by computer's BIOS.
The option Run as administrator is available e.g. For manual activation, you must run the Command-Line Interface (cmd.exe) as administrator.
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