There are many thread about sharing with Windows.
Basic Windows share can be connected to via the Gnome Menu
Places, Connect to Server
windows shared printer can be setup like anyother print by selecting the correct drop down connection type and entering
servername/sharedprtrname and the other info as the print gui progresses.
Gnome Menu - System, Admin, Printing.
To share your computer with Windows requires you to setup and run the samba server.
Do searches, see How-tos or get the documentation from www.samba.org
explains the cli for what the Connect to Server does.