By the help of this you will get to know the Magento Plugin- Installation steps.
Before installing, ensure Compilation is disabled (System > Tools > Compilation), as well as the cache (System > Cache Management).
2.In the Install New Extensions section, paste the following extension key into the input box: http://connect20.magentocommerce.com/community/Betaout
3. Click the Install button.
4. Magento Connect will load the most recent version of our extension, and set it up for you to install. Click the Proceed button under the box that appears.
5. When the extension finishes installing, return to your Magento admin and navigate to System > Cache Management. Click the Flush Cache Storage button at the top right.
6. Log out of your Magento admin, flush your browser cache and cookies.
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