For support in English, ask for help on the Omega Discord.
You need an unlocked calculator. To unlock it go here
There are multiple CFWs you can install on your calculator, most of them install in the same way. Here are a few of them
|Omega||The most popular CFW for Numworks, forked from Epsilon 15.5.0. It bings back symbolic calculation, allows installing external apps, and adds Python libraries|
|Upsilon||Forked from Omega, Upsilon brings more features and conveience compared to Omega, like a LaTeX reader, more storage for Python scripts, and a better bootloader|