The full ISO for Office 2021 Professional Plus (64-bit) is approximately for English. The 32-bit version is about 3.5 GB .
If you do not have a Volume License product key, you should purchase (retail) or Office Home & Business 2021 . Here’s the direct download method for those: Microsoft Office 2021 Professional Plus Direct Download Link
Instead, use the official methods above. They are safer, faster, and guarantee that you’re getting the genuine, untouched software directly from Microsoft. The full ISO for Office 2021 Professional Plus