1. Power on your device while still holding the (Select) button
1. If the check was successful, you will boot to the HOME menu and you may proceed with this guide
If you see a configuration menu, you already have CFW and continuing with these instructions may BRICK your device! Follow [Checking for CFW](checking-for-cfw) to upgrade your existing CFW.
1. Copy the `42383841.bin` file from the `output/clean/` folder of the downloaded DSiWare archive (`fredtool.zip`) to the `Nintendo 3DS/<ID0>/<ID1>/Nintendo DSiWare/` folder on your SD card