When you download our template from ThemeForest just unzip the downloaded files. once you unzip it you can have the all files like documentation and extensions we used in the template.
We regularly update templates one by one with the latest extensions. but we cant update all the templates at the same time. during your purchase If the Extensions are not updated, you're free to request us for updated versions. we will provide you.
I just DM you the Latest version of SP Page builder pro. kindly check that
Please do take some time to read through some of these links: