hey guys i tried many times to put themes from a website i know then into my phone, but when i try to search the theme in the phone its not there. and another thing i dont have a themes folder in my memory chip. i really want new themes on my phone . PLEASE HELP ME OUT!

You can transfer the theme to a new folder named themes on your memory card, open up file manager in your phone, and click the theme to install it. Afterwards, you'll see the theme under the theme settings to select.