1. abc123@outlook.com
2. Yes
3. Find the share by selecting Start and typing \\127.0.0.1 and then hitting Enter (This will show all your shares as a network device sees them, so if you can see the Documents folder put it in there
4. Yes if the above was correct
As for What else part will be 445 and not 139. (SMB2 vs SMB1)
The machine cannot use the right-click Share With option, you need to right-click a folder and go to Properties > Sharing (Share With is used for Windows Home Groups, which is not compatible with SMB)