please help me..because of so many forums, it's just here that it gives a lot of solutions

What key do you mean? RouterOS in virtual machines has no keys. Did you install CHR version? Follow the steps carefully, don't miss some of them: https://forum.mikrotik.com/viewtopic.php?f=2&t=99658 thank you but I have one question, I already setting the address, DNS form the mikrotik, I make ...

I can't input the key in qemu, because there is no explain how to input the key from auto typing

I got into trouble using GNS3+qemu. After I setting the mikrotik, interface, firewall, ip and then I save. The next day I open all the settings I made disappeared. Please help me

thank you

Sorry..I'm new here and I'm still a beginner in mikrotik,
I hear can use GNS3 + qemu as a simulator, is it true?

But why when I use qemu, then setting firewall, interface, ip and then I save but the next day, I want to run it again and everything I've set up even disappeared..

please help me