After downloaded into your computer, double click on the file to start the downloading. You should see the dialog below,

Make sure the Filename are the correct Win4DPro directory. If you are not sure, you can use the Browse button to find the directory. Once you are ready, you can click on the Update Now button to proceed with the Internet Update.If the Internet connection cannot be establish, you will receive a message below,

If your computer already connected to the Internet, you should see the progress bar moves and a dialog box indicating the number of draws been updated.

Once the update is completed, just click the Exit to quit the utility.