If the remote directory is not mapped to a drive letter, you can use dired, with the UNC path replacing backslashes with forward slashes, e.g. if in explorer the path is \\server\share the sequence of command in @Drew answer becomes
Dired (directory): //server/share RET
Yes, use the usual Dired command (dired, bound to C-x d).
At the prompt for a directory, just enter the drive name that you want (which can be a network folder), followed by :/. For example:
Dired (directory): d:/ RET
If you use Dired+ (download) then you can also get a buffer that lists all of your MS Windows drives, which you can ...