CFAI official Past Mock Exams PDF format

Hey guys, I am trying to find a link in order to download past CFAI official Mock Exams in PDF format, exactly those that are available on the Learning Ecosystem. Can anyone provide me the material? Especially for years 2020 and 2021. Thank you!

You may google ex. “CFA old official mocks”. Search result may give you an answer. Good Luck.