Re: How can use adwords...??
Google AdWords is a paid advertising platform, wherein the advertisers have to bid online during the ad auction to get their ad displayed across Google network. Let us know what specific question you may have related to AdWords.
You can read this guide to AdWords for more details:- https://support.google.com/adwords/answer/6146252?hl=en&ref_topic=3119071&rd=1