To change the password for any site from Site Manager:

1. Login to my.hammerkit.com to get to the site manager. 
2. Select the site you would like to edit by clicking once and then click the edit button on the button bar. This is the one that looks like a pencil. 
3. A pop-up will be displayed showing that you can change the password for the site. Go ahead and change password. 
4. Click 'Save' to reset the password.