In Europe, reverse engineering is legal by the means of observation, and decompilation in some cases, as long as you have a license for using a program: https:

In Europe, reverse engineering is legal by the means of observation, and decompilation in some cases, as long as you have a license for using a program: https://vidstromlabs.com/blog/the-legal-boundaries-of-reverse-engineering-in-the-eu/ https://vidstromlabs.com/blog/the-legal-boundaries-of-revers...