How to install new templates through joomla admin dashboard

Step 1: Login to your joomla admin dashboard
Step 2: Click on Install Extensions in the left menu, or choose the ‘Extensions’ opton from the extension Manager in the top menu.
Step 3: Now go the Upload Package File button under the Extension Manager
Step 4: Upload the template packages in joomla admin panel and Upload & Install button to install the new module manually.
Step 5: You can also install a new module from URL or directory of the joomla installation.