How to manage drupal website modules

Step 1: Download the zip or tar file to your hard drive.
Step 2: Use your FTP client to upload them to the “sites/all/modules” directory of the Drupal installation on your webhost.
Step 3: Unzip the files.
Step 4: Go to the Admin/Modules section to enable the new modules.
Step 5: You can manage modules via admin panel also.