I should first verify the correct title and details of the movie. Let me check. The Russian film released in 1986 that deals with the hardships of war and the Soviet experience is... Ah, yes, it's "Ivan's Childhood" by Andrei Tarkovsky. Wait, but Ivan's Childhood is from 1962. Another one might be "Burnt by the Sun," but that's from 1994. Hmm. Maybe the user is referring to a different film. Alternatively, there's a film from 1986 called "The Last Ring" or another title that might be known in Spanish as "Los Heroes No Lloran."
So, the guide should help the user to either find it through legitimate means, maybe via streaming services, DVD, or public domain status, but since it's from 1986, it might be in the public domain depending on the country. I should first verify the correct title and
Alternatively, maybe the user is thinking of "The Man With a Camera" (Человек с киноаппаратом) by Vertov. But not 1986. Ah, yes, it's "Ivan's Childhood" by Andrei Tarkovsky