Share discovery and sharing settings in a LAN under win7 1. Enable guest accounts. Start-control panel-management tools-Computer Management-expand system tools-local users and groups-users, and a GUEST user is displayed on the right side. Double-click it, cancel the previous check that the account has been disabled. If you want to speed up access to other machines, you can also perform the following operations: Control Panel, administrative tools, services, Task Scheduler, attributes, and start mode, in this way, you can. 2. user rights assignment. "Control Panel-Administrative Tools-Local Security Policy", in the "Local Security Policy" dialog box, select "local policy-user rights assignment ", in the options on the right, set the Options "Access this computer from the network" and "Deny access to this computer from the network" in sequence. The "access to this computer from the network" option needs to add the guest user and everyone; "Deny access to this computer from the network" needs to delete all the rejected users, by default, access to guest is denied. 3. Set the shared folder. (1) My Computer → tools → Folder Options → view → remove the check box before "use simple file sharing (recommended. (2) put all the files you want to share in a folder, right-click this folder-share and secure, on the share tab, select the share folder on the network check box. Then, the Share Name text box and the allow other users to change my files check box become available. You can change the name of the shared folder in the "Share Name" text box. If you clear the "allow other users to change my files" check box, other users can only view the content in the shared folder, but cannot be modified. After setting, click "application" and "OK.