The proper article to use before depends on how you pronounce the first word: Use "A" if you pronounce it as "Silent" (the word). Example: "I downloaded a Silent_Night_v0.4.rar file."
If you tell me , I can give you the exact phrasing. Silent_Night_v0.4.rar
💡 Articles are based on the sound of the following word, not the letter. Since "Silent" starts with a consonant sound ("S"), "a" is the standard choice. Contextual Usage The proper article to use before depends on
if you are spelling out the letters "S-I-L-E-N-T" (rare, but possible). Example: "I found an S-I-L-E-N-T... file." Silent_Night_v0.4.rar
"Please send me the Silent_Night_v0.4.rar."
"I need to extract a Silent_Night_v0.4.rar archive."