To be noticed that Splashtop utility comes pre-installed on your Sony Vaio laptop. To use it, you simply need to press the One Touch Web Access button. However, if you can't use it and you need to install this tool again, you need to visit the official website of the manufacturer. By doing this, you will be able to choose your laptop model and download the appropriate version of for your OS and hardware configuration. The installation process Splashtop is done from the operating system, so no reboot is required. On the following website, you can find a guide on how to install the utility. Use the guide to install it on your computer, but use the first mentioned site to obtain it, to overcome any compatibility issues.