A few of the reasons those websites are off-limits include copyright regulations, geographical limitations, government censorship.
The usage of VPN is perfectly legal across the globe as long as its use is within the traditional boundaries with an exception for only a few countries like North Korea and Saudi Arabia restricting it.
An easy guide on how to set up a VPN for Windows in Fuzhou — China.
Though it is extremely slow, and mainly as a consequence of this, it is certainly not ideal for probably the most popular tasks individuals desire to use VPN for, such as for instance filesharing and streaming geo-restricted news content.
Those factors are instrumental in answering how that VPN will help you.
A VPN is performed by developing a virtual point-to-point connection by using devoted connections, virtual tunneling protocols, or traffic encryption.