How do I "favorite a space" here (Off topic)

[Charles_Kenyon]

Whenever I log in, I get this banner.

I have no idea how to favorite a space or what this means!

I do not know which forum this question belongs in, so am posting it in the one where I participate.

[#2]

Is there a better place for posting this question?

[#3 · Accepted solution]

@Charles_Kenyon It is not essential (I have not done it) 

However, this would be the best placed to ask the question:

https://techcommunity.microsoft.com/t5/tech-community-discussion/bd-p/CommunityQuestions

[#4]

Thank you. I have posted there and this question can be closed.