You have to click on the download now button, after clicking you can use X8 Sandbox is a virtual android system where you can transfer any application or any file of your device directly inside X8 Sandbox and you can use any root application inside X8 Sandbox.
What Is a X8 Sandbox
X8 Sandbox is a virtual Android system where you can transfer any file, application or game of your device very easily and you get many advanced options in X8 Sandbox such as you can run any root application inside the X8 Sandbox.