How To Install A WordPress Plugin
You can install any WordPress Plugin you want provided it supports your WordPress version by simply following these steps:
Step 1: Login to your WordPress and click "Plugins":
Step 2: Click "Add New" under Plugins:
Step 3: Click the "Upload" tab to upload a new plugin already on your computer or "Search Plugins" to search for one in the wordpress database and install it from there.
Step 4: Click "Browse" to upload a plugin already existing on your computer then click "Install Now" to upload and install it on your blog.