Open your server folder then locate src/config/renewal.h.
Add " // " on #define it will look like this
//#define RENEWAL
//#define RENEWAL_CAST
//#define RENEWAL_DROP
//#define RENEWAL_EXP
//#define RENEWAL_LVDMG
//#define RENEWAL_ASPD
//#define RENEWAL_STAT
To edit Max Level locate /src/map/map.h then look for #define MAX_LEVEL 175 and change the 175 to your desire level after that you need to re-compile your server.
Then you can set the Max Base Level and Max Job Level. Locate db/pre-re/job_exp.txt. Hope this helps you.