Download the authentic ISO. Use Rufus (not the Windows Media Creation tool) to write it to a USB drive. Rufus can bypass TPM, Secure Boot, and RAM checks (though Tiny10 already strips those).
It is primarily based on Windows 10 Enterprise LTSC (Long-Term Servicing Channel), known for its stability and lack of pre-installed consumer apps. tiny10 ntdev
ntdev releases several iterations of the OS to suit different needs: Download the authentic ISO