How to install Magento Extension from Magento Connect Marketplace

Magento Connect (Magento Marketplace) is a marketplace that allows Magento community members and partners to share their open source or commercial contributions for Magento with the community. Typical contributions include:

Extensions
Themes
Language packages

Magento Connect allows you to connect to the wealth of Magento extensions available, some of them are free, and some you have to pay for.

Community Extensions: Open source extensions created by Magento Community members or partners that are released under an open source license.

Commercial Extensions: Contributions available for purchase by Magento community members or partners. Commercial extensions may be sold, distributed, and licensed directly through the sellers.

To install Magento Extension from Magento Connect Marketplace

First you need to log into the Magento administrator area, and then go to System > Magento Connect > Magento Connect Manager. This screen will appear:

install Magento Extension from Magento Connect Marketplace

Try to login with admin account and you can see

Magento connect manager

Now to go Magento Connect to get an extension key. In this post, I take an example: Better Blog extension by Mageplaza

better blog

Here are the key http://connect20.magentocommerce.com/community/mpblog

magento extension key

Then paste the key to install and click the Install button, then click Process to download and install the Better Blog extension on your Magento store.

install extension