Open the root folder
The root folder contains all the documentation sets for ArcGIS Documentation Center. You may want to open the root folder to view the documentation sets in File Explorer or to access the documentation set files directly.
Steps
Open ArcGIS Documentation Center.
Click the Menu button
in the upper right corner and choose Settings.The Settings dialog box opens.
Under Root folder, click the Open the root folder in File Explorer button
.The root folder opens in File Explorer.