Go to the Official Microsoft Download Center and download the tool.
Wait for the process to finish. A new Office folder will appear in C:\ODT containing the offline data. Step 4: Install Offline office 365 proofing tools offline installer
Use code with caution.
If you are looking for a simpler way and have a personal subscription: Go to the Official Microsoft Download Center and
Now you can move the entire C:\ODT folder to any computer without internet access and run the installation. On the target PC, open as an Administrator. open as an Administrator.