Cracked windshield wipers I need to replace them?

This video shows the job being done on a similar car but the process is the same:

https://youtu.be/GHIh5M4zO0g

Here is a guide to help you step by step with instructions in the diagrams below to show you how on your car:

https://www.2carpros.com/articles/how-to-replace-windshield-wiper-blades

Please let us know if you need anything else to get the problem fixed.