Office LTSC 2021 will receive security and bug fixes until October 13, 2026 . Deploy Office Long Term Service Channel (LTSC) 2021

Select your preferred apps (Word, Excel, PowerPoint, etc.) and primary language .

The build mentioned (15629.20156) corresponds to an update from approximately October 2022 . When installing via ODT, Microsoft typically downloads the most recent cumulative update available on the Office CDN, which includes all previous security and quality fixes .

This version is intended for organizations with volume licensing agreements. Activation typically requires a MAK or KMS key provided by your organization .

(Optional) To download the installation files for offline use later, run: setup /download configuration.xml .

You can use the Office Customization Tool (OCT) to generate a custom configuration.xml for specific versions . Select architecture .

Choose as the product .