Here is a step by step guide:
Step 1
Navigate to the location from Finder where you want to create a folder

Step 2
Click on the Gray button and click on New Folder button

Step 3
It creates a new folder

Step 4
Type new folder name of your choice in text area as we did TrickyWays

Step 5
Click on anywhere outside the text area to make the change effective

You can also creat a new foler with this way -just with a single right click on you required location.
Learn more about tips for mac, please go to the homepage website.