Amazon Prime Video has very great content. There are also Prime Video Originals which you cannot watch anywhere else. But if you are confused that whether or not it will be a perfect option for you then Amazon offers a free 30 day trial of Amazon Prime before you get a paid subscription of it.
You can always opt out of the free trial before it gets over by cancelling it and the best thing about it is that you don't have to pay anything for cancelling.
To sign up first of all visit Amazon Prime Video Sign Up page here.
Then log in to your amazon account or create a new account then fill your credit/debit card credentials and then you are good to go.
Now, you can watch all your favorite shows and movies on Prime Video free for a month.