Share files with Guest account in Win7

when sharing a folder to public, you should
1, turn on Guest account @ “User Accounts”
2, add Guest to sharing users @ sharing setting dialog
3, turn off password sharing.
after step 2, user login your share folder with guest, can not log in in fact. because Win 7 require a password log in by default, just like when using remote desktop, you can not log in with the guest account.
click “network and sharing center”, and turn off “password protected sharing”


4, now you can share files with guest account