The proper article for is "a" (e.g., "This is a BeingADIK-0.8.2-pc.part17.rar file").
The pc indicates this version is specifically built for Windows/Linux computers rather than Android. BeingADIK-0.8.2-pc.part17.rar
Even though the filename starts with "B," which is a consonant, the indefinite article choice is based on the sound of the first letter. Since "B" starts with a consonant sound ("bee"), is the grammatically correct choice. About this file The proper article for is "a" (e