Office LTSC Professional Plus 2021 gives you the tools to get work done with updated versions of Word, Excel, PowerPoint, Outlook, Access (PC only), Publisher (PC only), and Teams; plus OneNote desktop app that runs on all supported versions of Windows and which is part of Office 2019 and Microsoft 365. (features vary: https://support.microsoft.com/en-us/office/what-s-the-difference-between-the-onenote-versions-a624e692-b78b-4c09-b07f-46181958118f?ui=en-US&rs=en-US&ad=US)