To run the GUI: Windows: py -3 -m custominstall. gui. macOS/Linux: python3 -m custominstall. gui. To run the command line version: GitHub README.md - ihaveamac/custom-install - GitHub Windows standalone * Dump boot9. bin and movable. sed from a 3DS system. * Download the latest releases. * Extract and run ci-gui. GitHub
This is where most people get stuck. You can't just drop it anywhere. The 3DS file structure is very specific.
Here is an interesting guide on what it is, why you need it, and how to handle it. seeddb.bin download
Boot your 3DS into GodMode9 (usually by holding during power-on). Navigate to [S:] SYSNAND VIRTUAL . Locate seeddb.bin and select it. Choose Copy to 0:/gm9/out to save it to your SD card. Using SEEDconv (PC Tool) :
[SD Card Root]:/seed/seeddb.bin
Tools like Custom Install 3DS use it to prepare titles directly on an SD card for use on a console.
Tools like GodMode9 may require it in the /gm9/support folder to properly decrypt CIAs. How to Obtain seeddb.bin To run the GUI: Windows: py -3 -m custominstall
The eShop is now closed. New consoles cannot ask the server for seeds.
The seeddb.bin file is a critical component for Nintendo 3DS homebrew enthusiasts, particularly those using emulators like Citra or advanced installation tools. This database contains "seeds" required to decrypt and run games released after 2015 that utilize the 9.6.0-24 system update's seed-based encryption. Why You Need seeddb.bin sed from a 3DS system