Regarding Youtube tutorial

Dear sir, I am Thiyagarajan,from india , glad to meet you, I recently installed your Rankmath plugin in my WordPress website, No doubt, I am feeling the difference while writing a blog in my website, very useful , earlier I was installed Yoast SEO when compare Yoast your plugin is far better, online SEO now very very easy with your plugin, I get 90/100 score and easy to analyze where is the mistake? please if you have a youtube video please send me the link sir, I go through it
thanks once again for your support,
I am totally new in web building, but with your Rankmath SEO I feel very comfortable to write article, thanks again sir,
moreover, please suggest I received a mail from google about the following topic

We’re validating your AMP issue fixes for site https://learn4earnmoney.com/

please suggest what to do and how to get rid off, and in future what precaution to take , please send me the solution sir
thanking you,
Thieyagarajan
l************@g*******,