Ahsanallahu Ilaikum sheikh, a newly practising brother (not revert) said he is weak in faith and does major sins. He asks which course from 'how to be righteous muslim' to focus on (not all) to fix this, as seeking knowledge is difficult so will take long, and he wants best immediate results.

He should focus on the how to be a righteous Muslim program, many lessons there tackle this subject, like the beneficial means to a happy life, the texts of sh al Islam, sa'ah min nahar, and some of the short text for sheikh Abdulrazzaq Al Badir. We can never tell what will resonate with him so he should be patient and watch.