To get familiar with CKEditor 4 and see its capabilities, please check the demo on the CKEditor 4 product page.
For a list of End-user and integration features that CKEditor 4 has to offer, visit the Functionality Overview section in CKEditor 4 Documentation.
You can also check the online samples at CKEditor 4 SDK which are designed to help you familiarise with all editor features and make the process of implementing, configuring and integrating CKEditor with your website or application easier.
Before downloading CKEditor, you can decide which features to include in your package. You can either download one of the ready-to-use presets or select plugins on your own to create a custom package. You can do this by using our online Builder which lets you add and remove any of the features available.
You can try out the full preset of the latest version of CKEditor 4, however please note that it does not contain all available plugins. Check our add-ons repository for the list of plugins you may install.