On the previous page, you installed boot9strap, a custom firmware loader that loads the file `boot.firm` from SD card or NAND (internal memory). In this case, we are using Luma3DS by [LumaTeam](https://github.com/LumaTeam/) as our `boot.firm` to patch the console, allowing it to run homebrew software.
On this page, we will make critical system file backups and install some homebrew programs. Most of these steps will be automated using a script that you will run on your console.
If you don't want one of these applications, you can remove them after you have finished this page by navigating to System Settings -> Data Management -> Nintendo 3DS -> Software. (GodMode9 cannot be removed in this way and is generally required for other functions.)
All applications installed on this guide are open-source. If you are interested in seeing how they work, or would like to leave a star to show your appreciation, their source code is linked here:
If your previous CFW setup was EmuNAND-based and you wish to move the contents of your EmuNAND/RedNAND to SysNAND, follow [Move EmuNAND](move-emunand) before following this page. If you don't know what an EmuNAND is, this doesn't apply to you.
The screenshot below indicates the minimum SD card layout that is required to follow this page. You may have extra files or folders on your SD card, depending on your previous setup or the method that you followed.
In this section, you will sync your 3DS internal clock with the actual time and dump the sound firmware (which is necesssary for some homebrew software to use sound properly).
+ If one of these buttons is broken, download [config.ini](/assets/config.ini) and put it in your `luma` folder, replacing the existing one. This will change the Rosalina menu key combination to (X) + (Y)
+ Holding (Select) on boot will launch the Luma3DS configuration menu.
+ Holding (Start) on boot will launch GodMode9, or if you have multiple payloads in `/luma/payloads/`, the Luma3DS chainloader.
+ By default, pressing (Left Shoulder) + (Down D-Pad) + (Select) while in 3DS mode will open the Rosalina menu, where you can check system information, take screenshots, enable cheats, and more. This can be changed from the Rosalina menu.
+ Holding (Start) + (Select) + (X) on boot will make the notification LED show a color for debug purposes. See the [changelog](https://github.com/SciresM/boot9strap/releases/tag/1.4) for a list.
For information on using GodMode9's various features, check out the [GodMode9 Usage](godmode9-usage) and [Dumping Titles and Game Cartridges](dumping-titles-and-game-cartridges) pages.