In KeyShot we have the Real-time View, which renders the scene in real time, and the Render dialog where you can select what to render and how. The following pages will take you through the Render Output, Render Options and the Render Queue. You find the Render dialog on the KeyShot Toolbar or in the Main Menu > Render > Render...
In the Real-time view the image will slowly res-up. If you only need draft images, a screenshot from the Real-time view could be all you need.
The screenshot button in the toolbar or Main Menu > Render > Save Screenshot will save a snapshot, of the Real-time view, to your Renderings folder. The Screenshot will be named with the Scene name combined with an incremental number (the Global Revision number, that you can also use in your Name Templates).
If you want to keep the snapshot on your clipboard you can use the Copy Screenshot to Clipboard option in the Main Menu > Render. You can set the format of the screenshot in Preferences > General.
KeyShot has traditionally been CPU based rendering, but if you have the right GPU, you can switch to GPU mode in the Ribbon. This will increase rendering speed noticeably. Learn more about the requirements and limitations of GPU mode in KeyShot here.