Question: 99 names of allah how to memorize?
Answer: (C20 V8) Allah – there is no deity except Him. ... 
(C7 V180) And to Allah belong the best names, so invoke Him by them. ... 
[Al-Bukhari] “Allah has ninety-nine names, one hundred less one; whoever learns them will enter Paradise.”
[Al-Bukhari] “Indeed Allah has ninety-nine names.