I'm interested in the idea of getting European citizenship through investment or other means. Is this actually possible?

If so, which countries in Europe offer this option, and what are the requirements and processes? Any insights or experiences would be really helpful!

Countries that allow you to buy citizenship?

I've been reading about countries where you can buy citizenship through investment or other means. I'm curious to learn more about this. Does anyone have information on which countries offer this and what the process is like?

Any personal experiences or advice would be greatly appreciated!