Step 1 :
Make a GA account with your email which you use for the blog.
In the GA dashboard on left-hand side, there’s a menu bar.Scroll to the bottom till you can’t scroll anymore.
You will see the admin icon at the end.
Click on it .
What to do after you get the tracking ID ?
You have to put it in your site’s theme header
Plugins Method (Recommended) if you want the easiest way.
There are tons of plugins available to add Google Analytics to your site. However, it is best to just use a simple light-weight plugin like:
Insert Header and Footer(Check compatibility with blog)
Paste the Google Analytics code in the plugin’s setting page.
In the Header box .
Second method Direct Paste Method
Copy the code that you received, and paste it in your theme’s header.php right after the <body> tag.
Try this if you are confident and have no plans of changing themes.
Warning : Take a full backup of your site before you do anything with your blog theme.
You can also take a backup from your Cpanel dashboard.
How do you know GA set up properly?
Disclaimer : Kindly try this only if you are confident and have someone to manage the backend if needed.