Share a folder on your laptop across the LAN to another user in Active Directory with Windows 10.

1. right-click on the folder and pick "Properties" from the little menu that appears
2. go to the "Sharing" tab of the dialog box that appears
3. click the "Share..." button
4. type in the name of your friend and be sure it match exactly what Active Directory expects
5. click the "Add" button

You'll ultimately get a //Whatever path for the share. Communicate this to the other party you are sharing with.