While it is always best to have a server when you need to share files, that isn’t always feasible at home or when travelling.
Windows Vista made quite a few changes in the procedure required for you to share files.
Just go to http://www.lockergnome.com/it/2007/08/21/public-folder-sharing-in-windows-vista/ for a step-by-step procedure for sharing the public folder.
To enable password protection for your file sharing have a look at http://www.lockergnome.com/windows/2007/09/05/password-protect-your-public-folder-in-vista/ and http://www.lockergnome.com/it/2007/08/24/password-protected-file-sharing-in-windows-vista/.
Mark Krieger helps organizations and individuals to create systems for success, both on the IT and operations side and implement strategies for financial well-being. www.makbiz.ca