You people need how to read the fine print! This is just a setup to WHEN they launch the PTR 7.3.5!
STEP ONE: Create a COPY or USE your 7.1.5 client.
STEP TWO: Download the provided patch and follow the directions or watch the video on how to install it to your 7.1.5 copy you created, it will make it a 7.3.5 client.
STEP THREE: WAIT on the release announcement when it will start THIS AFTERNOON!!