1. Open Internet Explorer by clicking the Start button Picture of the Start button, and then clicking Internet Explorer.
2. Click the Tools button, point to Manage Add-ons, and then click Enable or Disable Add-ons.
3. In the Show list, click Add-ons that have been used by Internet Explorer to display all add-ons.
4. Click the add-on you want to enable, and then click Enable.
5. Repeat step 4 for every add-on you want to enable. When you are finished, click OK.