Go to bing.com on your browser
Click the ‘Settings’ button at the top.
Controls & Settings guide
SafeSearch can help you block inappropriate or explicit images from your Bing Search results. The SafeSearch filter isn’t 100% accurate, but it helps you avoid most violent and adult content.
Nothing.
On the SafeSearch section make sure it’s set to strict and then click ‘Save’ at the bottom. If it’s still showing adult content you should contact Bing directly to notify them.
Follow these links to learn more or download this information