EUR 10 discount codes available for signing up to the EW.com NL. Takes about two minutes. You sign up for the NL, then confirm your mail address, get another mail in which you click to generate the coupon code. On EW.com website, you need to give them some data. Then you finally get a third email with the code.

https://www.eurowings.com/de/informi...ewsletter.html