Can't access because of firewall

How to hide a shared folder
How to Share a Folder or Drive with Other People
How to manage shared folders, view a list of all people who are connected to a shared folder
problem to access sharing because of enabled Offline Files
shared folders can't be accessed after removing domain
The Sharing tab is not visible or net share command doesn't work
Which shared folders are created by default and why?
Why can't see the shared folder or how can I hide a shared folder?
 

How to Share a Folder or Drive with Other People

A: Right-click the folder or drive you want to share, and then click Sharing and Security. On the Sharing tab, click Share this folder. Type a new name in the Share name box. To limit the number of people who can connect to the shared folder or drive at one time, click Allow under User limit, and then type the number of users. To set shared folder permissions on the shared folder or drive, click Permissions.

NOTE: To share folders and drives, you must be logged on as a member of the Administrators, Server Operators, or Power Users group.

How to manage shared folders, view a list of all people who are connected to a shared folder

You can use the Shared Folders snap-in to manage shared folders, view a list of all people who are connected to a shared folder over a network, disconnect one or all of them, view a list of files opened by remote users, and close one or all open files. To start the Shared Folders snap-in: right-click My Computer>Manage>Shared Folders.

The Sharing tab is not visible or net share command doesn't work.

1) If you are logged on to a machine with an account that does not have adequate rights, the sharing tab is not visible.
2) Perhaps Server service is stopped. To start the Server service, go to Administrative Tools, expand Services and Applications, and then double-click Services. Right-click the Server service, and then click Start.
 

Which shared folders are created by default and why?

In most versions of Windows, the drive letter$ and Admin$ special shared folders are created by default. The drive letter$ special shared folder allows the administrator to connect to the root directory of a drive. The Admin$ special shared folder is a resource that the computer uses during remote administration of a computer.

Why can't see the shared folder or how can I hide a shared folder?

A: You can hide the shared folder from browsing by typing $ as the last character of the share name. Other people will not be able to see this shared folder when they browse by using My Computer or Windows Explorer, but they can map to the shared folder