XcQ, link stays blue.

I don’t know about “best,” as that probably varies per individual, but I always recommend reading at:

https://www.markdownguide.org/getting-started/

and if you want to experiment in private, there are lots of live editors; locally I recommend Obsidian. If you don’t want to install anything, there are also in-browser options such as:

https://markdownlivepreview.com/

(I have not used this and so cannot comment on its quality, but at a glance it looks good)

We are all the cardiac system of Theseus on this glorious day.