Find theme name of wordpress website

METHOD 1: Lengthy

First you need to go to the website, who’s theme name you want to know.
Now right click on the website, and select view page source or view source.
A bunch of code will appear in front of you. Don’t get afraid by seeing all that.
Just press ctrl+f and then search for
websitename.com/wp-content/themes (don’t mention www, directly start with websitename)
Now you will find the name of the theme like below
websitename.com/wp-admin/themes/ThEmEnAmE
So here is the theme name, search it on google, and then download it, if you want to give it a try.

Go to this WeBsItE
Now just type the website address in the box provided and press enter.
You will come to know the name, author and much more info about the theme. This tells you more then the name of theme.

Now the 1st method gives you a bit info about coding and 2nd one give you more detail of theme. So try both to gain maximum knowledge.