Download and Install Microsoft Office 2021 (LTSC)

microsoft_office_2021_ltsc.md

1. Download the official installer

Office Deployment Tool

https://www.microsoft.com/en-US/download/details.aspx?id=49117

2. Create a folder into "C:" called "Install"

C:\Install\

3. Run the installer (officedeploymenttool_18827-20140.exe) and select the previous folder to extract

4. Create a config file into "C:\Install" with the NotePad and name it "configuration.xml"

<Configuration>
  <Add OfficeClientEdition="64" Channel="PerpetualVL2021" SourcePath="C:\Install" AllowCdnFallback="FALSE">
    <Product ID="ProPlus2021Volume">
      <Language ID="MatchOS" />
      <ExcludeApp ID="OneDrive" />
      <ExcludeApp ID="Teams" />
    </Product>
  </Add>
  <Property Name="SharedComputerLicensing" Value="0" />
  <Property Name="FORCEAPPSHUTDOWN" Value="FALSE" />
  <Property Name="DeviceBasedLicensing" Value="0" />
  <Property Name="SCLCacheOverride" Value="0" />
  <Property Name="AUTOACTIVATE" Value="0" />
  <Updates Enabled="TRUE" />
  <Display Level="None" AcceptEULA="TRUE" />
</Configuration> 

5. Open a CMD with Admin Privileges

6. Navigate to the folder

cd "C:\Install\"

7. Proceed to install You need to wait until the CMD lets you write again

setup /download configuration.xml
setup /configure configuration.xml

8. Once it's done, open Word from Windows apps

9. Press "Settings" and go to the "Account" section

10. Press into "change product key" and introduce the purchased key