PÊBThemes generation 4 is here! Confused? Click
Copy the code from the theme’s download page.
Navigate to your blog’s customize page – located
on your primary blog, and at https://www.tumblr.com/customize/username on any secondary blogs.
Click the ‘Edit HTML’ button.
Clear all the code in the ‘Edit HTML’ panel and paste in the new code.
Click ‘Update Preview’ and then ‘Save’.
Refresh the page to see updated appearance options.
Enjoy your new theme!