Go to your WordPress dashboard > Settings > General.

• Site Title – The name of your website. If you are not using a header/logo image on your site, this is what will display as your header. This is also what is shown as your site title in Google search results.
• Site Tagline – The tagline of your site, typically used as a short descriptor for what your site is about.
• WordPress Address (URL) – The URL of the WordPress directory where your core files are located (do not change).
• Site Address (URL) – The URL of your website (do not change).
• Email Address – Enter your email address here to receive notifications and allow you to reset your password.
• Membership – If you check this box, anyone can register an account on your site. Check this if you are selling e-commerce products or run a membership site.
• New User Default Role – The default role that is set when a new member is registered or created.
• Timezone – Sets local timezone for your site.
• Date Format – Changes how the date is displayed on your website.
• Time Format – Changes how the time is displayed on your website.
• Week Starts On – Select the weekday on which you want the WordPress calendar to start. The default is Monday.
• Site Language – Sets the language in your WordPress dashboard.