Adwords is a Google based advertising platform. It allows users to bid on words and eventually get featured within the advertising section of Google and elsewhere. You can sign up for the service for free until your ad starts getting clicks. Once you sign up for Adwords you will have to create an ad based on the keywords you have chosen.
It is worthwhile to get advice when starting up an Adwords campaign for the first time. There are many things that can go wrong, such as bidding too much for a keyword or using the wrong keywords in your campaign. Adwords is a costly process that doesn't guarantee you sales. If you have an Adwords campaign presently, we would advice investing in an SEO campaign in conjunction with Adwords. With organic SEO your website will increase its placement in search engines naturally. As studies have shown, up to 90% of users will click on the website placed in natural positioning, so this is where you want your website to be.