I am a die hard fan of Spotlight search. What is spotlight? Press ⌘ + Space on your Macintosh:

I have been using spotlight search since the day I have discovered it, and then I have always wonder how to search with “tag”. I don’t remember since which version macOS has started to support the tagging for files, folders, etc. For sure, I was very excited with this new feature, but soon I found that I have no way to search it from spotlight, thus stop using it.

And, finally I found the way of search with tags from spotlight πŸ˜ƒ

To search with multiple tags (for narrow down your search result), just separate each tag with a space,

Now, I have a reason to tag all my files, folders etc. Keep tagging, keep searching ouch πŸ˜–