Download Office 2021 Pro Plus
Select your language, and click on the link to download the latest version of Office 2021 Pro Plus (from official Microsoft servers) :
Install Office 2021 Pro Plus
Once the .img or .iso file has been downloaded, double-click on it to mount the image. The image will mount in a new virtual drive, as if a CD-Rom had been inserted into the computer.
Open it in Windows File Explorer, and double-click Setup.exe.
Install the product by following the steps in the installation program. Once the product has been installed, all that remains is to activate it.