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."

Additionally, since the user is asking for a guide to watch the full movie in Spanish, it's important to note that finding full films in Spanish might require checking regional availability or official sources. However, since it's a 1986 Russian film, official sources might be limited, and there might be concerns about copyright.

Alternatively, there's a possibility that the film is a direct import where the Spanish title was given as "Los Heroes No Lloran," but the original Russian title might differ. Given the year 1986, Soviet Union was still around, so it's a Soviet film from that time. I need to identify which one. Alternatively, perhaps the user is mistaken about the year or the country. Maybe it's a Spanish adaptation or a Russian film dubbed in Spanish that became popular in Spanish-speaking countries.