For the most up-to-date and safest methods, the community-standard resource remains the 3DS Hacks Guide .
If you have downloaded a pre-made pack, follow these standard steps: Open the file on your PC. S_yExclusivezip
Follow the on-screen prompts to "clean up" the SD card and install the system apps to your Home Menu. For the most up-to-date and safest methods, the
If the pack included a script, navigate to [0:] SDCARD -> gm9 -> scripts and run the setup script. S_yExclusivezip
Include a .gm9 script (often named finalize.gm9 ) that tells the system to install everything in the /cias/ folder automatically.
Insert the SD card and hold while powering on to enter GodMode9 .