Windows OS: Graphics hardware acceleration requires DirectX 9 or later, with WDDM 2.0 or higher for Windows 10 (or WDDM 1.3 or higher for Windows 10 Fall Creators Update).

Office LTSC 2021 is supported under the Fixed Lifecycle Policy.ġ280 x 768 screen resolution (64-bit Office required for 4K and higher).

Microsoft won’t provide code fixes to resolve non-security related problems.

Office LTSC 2021 connections to Microsoft 365 services will be supported until October, 2026.

Microsoft won’t deliberately prevent you from connecting to the service, but the quality of your Microsoft 365 experience may diminish over time.

If you use older browsers and versions of Office that are not in mainstream support: Microsoft 365 is designed to work with the latest browsers and versions of Office. Office as a one-time purchase does not include any of the services included in Microsoft 365 (for example, Exchange Online, SharePoint Online).

Under Licensing and activation, select the Multiple Activation Key (MAK) option, type the volume license key that's specific to the product, switch the Autoactivate slider to On, and then select Next.Office LTSC 2021 suites for business are a one-time purchase that may be acquired for more than five computers through volume licensing. Under Upgrade options, indicate whether you have to keep any of the products that are already installed on the device, as necessary, and then select Next. Under Update and upgrade > Update and upgrade options, select the options that match your requirements, as necessary. Under Installation, select the options that match your requirements, as necessary, and then select Next. Under Language, select the primary language, and then select Next.

Under Apps, use the toggles to determine which apps will be installed, and then select Next. Under Update channel, Office LTSC 2021 Perpetual Enterprise will be listed as the Update Channel. Under Products, select the products that you want to deploy. For more information, see Choose between the 64-bit or 32-bit version of Office.

Ltsc professional plus