You can download smaller, individual language packs from the Microsoft Support page , but these typically require an active internet connection during the installation process to fetch components.
Sign in to your Microsoft Account , select Install Office > Other options , and check the box for Download an offline installer . This downloads an .img file containing the full Office suite in your chosen language. office 365 proofing tools offline installer
Go to the Official Microsoft Download Center and download the tool. You can download smaller, individual language packs from
If you are looking for a simpler way and have a personal subscription: You can download smaller