How to Crop an Image in Illustrator CC 2017?

You can crop an image directly within Illustrator CC 2017 using the Crop Image button in the top toolbar.

Here's a more detailed guide on how to crop an image in Adobe Illustrator CC 2017, as explained in the referenced video:

Steps to Crop an Image in Illustrator CC 2017

Select the Image: Begin by selecting the image you wish to crop. You can do this by using the Selection Tool (V) and clicking on the image.
Locate the Crop Image Button: In the top toolbar, you will find the Crop Image button. This button appears once you have an image selected.
- As noted in the reference, this button is visible in the top toolbar of Illustrator CC 2017.
Adjust the Cropping Area: Once you select the crop image button, a bounding box will appear around your image.
- You can drag the corner handles to adjust the size and dimensions of the cropping area. This is similar to how you would scale an image, but it defines what will be kept after cropping.
Apply the Crop: After adjusting your cropping area, press Enter or the Apply button in the top toolbar to finalize the crop. Illustrator will crop the image to the defined area.

The reference demonstrates an example of cropping an image into a square:

The video shows dragging the handles of the cropping box to achieve the square dimensions.
After the crop is applied, the image will appear in the cropped square format.

The Crop Image button is conveniently located in the top toolbar once an image is selected in Adobe Illustrator CC 2017.
The crop is applied after adjusting the crop area and either hitting Enter or the Apply button.
The crop functionality allows you to quickly and efficiently resize images without needing to exit to a different application.