You should not need to activate them, just create them. Go to CWIS > Properties > Services > Network Scanning > File repository Setup > Edit
Create the repository to point to your PC where you set up the Windows share for the scan to go to (Case Sensitive)
Go on over to the scan tab and create your template (This is what you will pick at the printer)
Make sure it goes to your repository here
As for the folder on the printer you can scan to, just pick CWIS > Scan > Folder and set it up
If anything isn't there, update your firmware and see if it appears