Visit https://clarity.microsoft.com/ and click on “Sign In” , there you will get three options as below for automated signin
here, you can choose to select “Sign in to Google” if you already have gmail account. Once you are able to signin, you will see page https://clarity.microsoft.com/projects?referrer=/signin# opened, where you can see the “Add New Project” option
on the opened window, enter your website details, select category and click on “Create”
once you click on create, you will be shown the code which you need to integrate to your website’s head tag.
Once you update this code to head element in your website, you will see analytics data getting generated like below in dashboard,