Here’s what you need to know, including a realistic path to finding the PDF legally and practically. A free, legal PDF of the full Pictures of Childhood album is not common because it’s still under copyright in most of the world (Khachaturian died in 1978). However, individual movements, including No. 5, appear in some public domain or licensed educational collections depending on your country’s copyright law (life + 70 years). In the US, it enters public domain in 2049 .
It sounds like you're looking for a PDF of , specifically No. 5 — "Etude" (sometimes called "Study"). Khachaturian Pictures Of Childhood No.5 Etude Pdf
Also check — many pianists display the sheet music on screen in their videos; you can screenshot or copy measure by measure if desperate. Here’s what you need to know, including a