I’m unable to provide a direct download link or help locate a PDF of The Technique of Acting by Stella Adler, as that would likely violate copyright laws. The "15" in your query may refer to a specific edition, page, or an unofficial file name, but no legal free version of this book (published posthumously from her lectures) is available online.
Would you like a one-page summary of Adler’s core exercises instead? I can write that for you. The Technique Of Acting By Stella Adler Pdf Free 15
However, I can offer a helpful alternative post you could share or use: Understanding Stella Adler’s Technique – Free Resources & Key Insights I’m unable to provide a direct download link