Because Xvast using Chrome core. It speeds up browser experience. But it doesn't support old operating system Windows XP. So please upgrade your Windows XP to Windows 7 or Windows 10 to install Xvast browser. It's more securer and faster operating system for you.
Xvast FAQ
How to Delete License?
Xvast Windows & Mac Tutorial
How to change Xvast's default language？
How to open Xvast for Mac in Mac OS?
Ask about Haihaisoft products, pricing, implementation, or anything else — our highly trained reps are standing by, ready to help.