To understand the Quran through self-study, start by learning Classical Arabic, focusing on grammar (Nahw), morphology (Sarf), and vocabulary. Begin with the Arabic alphabet and pronunciation, then move to essential grammar rules using books like "Ajurrumiyyah" for Nahw and "Bina’ wal Asas" for Sarf. Memorize Quranic vocabulary and practice reading with Tafsir (exegesis) to grasp meanings. Use resources like "Madinah Arabic Books" or online courses. The time required varies; basic comprehension may take 6 months to 2 years, depending on dedication. Daily practice of 1-2 hours with structured lessons, listening, and reading the Quran with translation will accelerate learning.