The only advisable way to update a WordPress theme is a so-called child theme. It offers the possibility to make changes, without overwriting them during an update.
Using a Child Theme with WikiWP
Download and Install the Dummy Child Theme
You don’t have to go all the way on your own … we have created a child theme to get started really quick.
- Download the theme from github.com
- Rename it and do your changes
- Upload the theme to your server or install it as a zip archive from the dashboard
- Have fun