To set up Google Analytics, you simply need a Google Account. You can either use an existing Gmail or Google + account and connect your analytics to that (which might be easier for you). Or you could create a brand new Google account following the customization process within the link. Here is the link to Google Analytics: http://google.com/analytics
Once you have the account set-up, you return here to learn how to place the codes correctly on your website.
Follow the link to watch the video for a step by step instruction on how to install Google Analytics here: https://businessleadstools.com/googleanalytics
Hope this clarifies the setup process for you? If you have any questions about the above, however, then please leave a comment below and I will help you find the solution you require.