So, you should start off by reciting Surah Ikhlas and Durood-E-Ibrahim as often as possible right after every single compulsory prayer (Namaz). Then it will enable if you repeated "Wala Houla Wala Quwata, Ila Billa Hil Aliyul Azeem" a minimum of 1000 instances day-to-day. Make sure to do Astagfar for each of the undesirable sins you probably did