Because finding a working registration code for legacy software can be difficult, many developers have moved to open-source or web-based tools that are completely free and often more powerful. 1. LVGL Online Image Converter

If the developer’s site is active, purchasing a license is the only guaranteed way to get a code that matches your Machine ID.

So when Sam's microcontroller runs the code, it does this:

// ILI9341 init sequence 0x01, // Software reset 0x11, // Sleep out 0x36,0x48, 0x3A,0x55, ...