You cannot log into your Wild Apricot site from www.wildapricot.com. Instead, you must visit your Wild Apricot website and log in from there.
If you do not remember your Wild Apricot website address, check your email inbox for the welcome email that was sent to you when you signed up for the account. If you did not receive an email, check your email spam folder.
Another option if you don't remember your Wild Apricot address is to go to www.wildapricot.com and click the Login button in the upper right corner. You will be asked for your email address. After you click Send login details, you'll receive an email with your site address.
Where you log in on your Wild Apricot website will depend on your site's theme. You might click a Login link that leads to a login page, or enter your login information directly into login boxes that appear on the home page.