Hi @Saga
You can do what @mnordhoff recommends - it’s probably the easiest way.
Otherwise you would have to manually copy files from /etc/letsencrypt to the new server.
Just remember that you will get an email alerting you that the old certificate is expiring - you need to ignore those mails, since you are actually using a different certificate on a different server. I think you get two mails around day 80 of the old certificate.

I want to do the same thing. I am trying to install let’s encrypt in the new droplet but I receive the following error :

Problem binding to port 80: Could not bind to IPv4 or IPv6.

It is independent of what I write as domain name