In ChicaPC-fix, what does the “Register Now” button mean?

Once you install ChicaPC-fix and click on “Find Errors” to complete the FREE performance, 25 errors will be fixed for FREE. To speed up your computer, fix the remaining errors, and scan and fix errors on an ongoing basis, it is necessary to purchase an activation product key. To purchase a product key, click on “Register Now” and follow the steps to complete the checkout process. Upon successful transaction, you will immediately receive an email with your activation key to finish the sign-up process.