Seems literally impossible. Let’s encrypt pages basically just skips you to certbot’s website and apparently assumes everyone is out there hosting a web page to start with. Certbot’s documentation is absolutely the worst I’ve ever read, unless I missed it real bad, there it doesn’t explain anywhere how you go about getting a standalone certificate. Like let’s encrypt’s webpage, every instruction assumes you’re hosting a website. Anyhow, I couldn’t set certbot running in Windows after all, so it wouldn’t make any difference
I’m not hosting a web site, I just need the certificates to encrypt a remote connection to my PC (the application I’ll be using provides automatic configuration, as long as I have the certificates somewhere in my PC). How come everywhere I in certbot’s and LE’s page it’s assumed you’re doing exactly that: hosting a website. There are several other uses for an SSL certificate, you can use it with many apps unrelated to webhosting, just think of how may apps provide a web UI that have nothing to do with that.
I really don’t believe the only way to set this thing up is by using a webserver.