Step 1. Remove the new blades from the packaging. It's best to have them ready to go.
Step 2. Gently lift the wiper arms from the glass. Some vehicles have automatic service positions which can be enabled in the cabin (guide here).
Step 3. Starting with the driver side, remove your old wiper by opening the cap and pulling the blade down firmly.
Step 4. Install your new wiper by opening the cap and sliding the blade up until it's secure. Finish by closing the cap.
Step 5. Follow the same process for the passenger side.
Step 6. Gently lower the wiper arms down to the resting position on the glass. Complete by testing the new wiper blades using the vehicle's windscreen washing system (aka window squirter).
Note, please remember to remove the grey plastic cover on your blades prior to use.