You can delete or change the credentials that you store on your computer for logging on to websites or other computers on a network. For more information about stored credentials, see Store passwords, certificates, and other credentials for automatic logon.
Open User Accounts by clicking the Start button , clicking Control Panel, clicking User Accounts and Family Safety (or clicking User Accounts, if you are connected to a network domain), and then clicking User Accounts.
In the left pane, click Manage your credentials.
Click the vault that contains the credential that you want to manage.
Select the credential you want to manage.
Click Edit, make the change you want, and then click Save.