Our Search Autocomplete & Suggest Documentation not only allows your customers to have quick and relevant autocompletion during search, but also provide searching tips, which will help them to locate their goal more quickly.
First, please find your extension in your account in My Downloadable Products section, and then proceed with Installation. It is best to follow our step-by-step guide in order to configure the best search results.
Our extension works out-of-the-box, so after installation you need just to tune-up its settings for more effective work.
This should be a good beginning!