I found myself in a situation where I needed to do some editing to my theme but did not want them to be publicly visible yet. Normally I would create a copy of my site on a localhost and work / test from there. But what if the adjustments are small and you just want to be safe... I stumbled upon the fact that, if configured right, a user can set his or her personal theme for viewing the site. So why not enable your new theme and set it as your viewing theme to check your theme. It can be done in a few easy steps: