If you have a Mac, Check out this page.
Steps to Install NetDocuments on a Windows Computer
Step 1: Restart your computer
Step 2: Install ndOffice: https://apps.netdocuments.com/apps/ndOffice/ndOfficeSetup.exe
Step 3: Install ndMail: https://apps.netdocuments.com/apps/ndMail/ndMailSetup.exe
Step 4: Run the batch correct batch file:
Step 4: Restart your computer