Log into your create account and click ‘content’ from top menu. Go to ‘site information’ from the left hand menu. Select the tab ‘Google Analytics’ and paste the code into ‘the Google Analytics’ box. Lastly click ‘save changes’.
Log into your wordpress admin page and go to appearance and select themes. To add a theme, push add new. You can choose preview to see a demo of the theme or install it by clicking install button. Click activate link once it is installed.