Learning Quran with Tajweed rules is ideal while you are reading Quran but reading the Quran with wrong pronunciation is a major mistake. Learning the Quran with
correct articulation is the foremost step to learn Quran correctly. If a Quran
reader making the pronunciation mistakes while he is leading the prayer then
according to some scholars the prayer is not allowed to read prayer behind this
Learn to read Quran with correctly it is hard if you are an adult but it is not impossible. Children can learn MAkharijul Huroof easily because they have soft
mussels. Some times adults take time to learn Quran with correct Mukharij (correct pronunciation) because they feel shy by correcting them again and again.
If you want to learn Quran from the beginning or already learnt Quran but want to
the supervision of professional Quran teacher.