VPN explained: How does it work? Why would you use it?

VPN explained: How does it work? Why would you use it?

What is a VPNIn this article we aim to explain how a VPN (Virtual Private Network) works and what you can use it for. Recently, more and more people have started using VPN’s and this is not without reason. A VPN connection can provide an internet user with three essential things: security, anonymity and freedom.

  • Security: A VPN offers security because it heavily encrypts all your internet traffic. This prevents others, such as governments and hackers, from intercepting your data.
  • Anonymity: You can browse the internet anonymously because your personal IP address will be hidden for the rest of the internet as soon as you connect with a VPN server. Normally, others can link your online actions to your identity and your location based on your IP address. When you use a VPN your actions online can only be traced to the VPN server, but no longer to you. Most VPN providers won’t disclose or even monitor what you do via their servers. You’ve thus become anonymous on the internet as you can’t be identified or traced through your IP address.
  • Freedom: A VPN can offer the user more freedom online. It allows you to connect to servers all over the world. When you connect to a VPN server in a certain country you will be able to access the internet as if you were physically in that country. This can be useful because the internet isn’t freely accessible in all countries. Some countries censor part of the internet or impose restrictions on social media sites or online streaming services. If you are on holiday or have emigrated you will sometimes be unable to view streaming services based in your home country. A VPN will enable you to connect to the internet via servers in your home country. This makes it possible for you to watch your favourite show. It also works the other way around. If you want to gain access to the content of streaming services in a different country you, can do so via a VPN connection.

If you are unfamiliar with the concept of a VPN it can seem quite daunting. No worries! This page will explain to you how a VPN works and why people use it.

If you would like to get started with a VPN immediately you can use our overview of the best VPN providers to make your choice:

View Best VPNs

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How to set up your own VPN in a few simple steps

Setting up your own VPN connection is simpler than it might seem. The VPN providers will do most of the work for you. First you will need to find an VPN provider that you like (on our site you can find reviews of the different provides and recommendations on what to look for). When you find one that fits your needs, you subscribe to their services and download and install the software they provide. It will only take a couple of minutes before you can go online via the VPN servers. Now you can be connect to the internet in a safe and anonymous manner, free from any restrictions or censorship that your geographical location might impose!



Most VPN providers offer software for all types of devices and operating systems (Windows, Mac, iPhone, Android).

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How does a VPN work?

When you have found a reliable VPN provider you download and install their software. Then you select your preferred security settings and set up a safe connection with your desired VPN server. When the connection has been established the following will happen to your data traffic:

  1. The VPN software on your computer encrypts your data and sends it to the VPN server through a secure connection.
  2. The encrypted data from your computer is decrypted by the VPN server.
  3. The VPN server will go on the internet with the decrypted data and will receive all traffic sent back, that is meant for the user.
  4. The traffic is then sent back to you (the user) after the VPN server encrypts it.


The VPN connection will encrypt your data traffic, making it virtually impossible for hackers or governments to intercept it. The secure connection also provides the user with anonymity because your internet traffic is rerouted through an external VPN server. Because you are surfing the web via the IP address of the VPN server your own IP address will stay hidden. Normally your location and even your identity could be revealed through your IP address because it is unique to your internet connection. By using a different IP address on the VPN server none of your actions online are tracable to you and you can now cruise the web anonymously.

The VPN application will run in the background of your computer, tablet, or smartphone. You can access the internet as you normally do and you won’t notice anything.

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Why would you use a VPN?

There are many reasons why people use a VPN, some of the most common are as follows:

  • Anonymity on the internet: A VPN connection hides your IP address and location. With a VPN connection you use an IP address that belongs to the VPN server. This way your own IP address stays hidden. Websites and other parties won’t be able to trace your online actions back to your location and identity. All they will see, when you are using a VPN, is a strange IP address that has nothing to do with you.With a VPN you can browse the internet anonymously.
  • Protection against hackers and governments: People are becoming more and more aware of their vulnerability on the internet. Without a secure VPN connection, it is easy for others to intercept the data that you, sometimes unknowingly, spread when you are online. Without knowing it, others could tap your devices and use your personal information. You can prevend this with a VPN because it encrypts all your internet traffic.
  • Secure internet access on public networks: Using a public network can be very risky. Other users on the same network can easily tap into your data and personal information. Since you don’t want others to have access to, for instance, your email login or credit card information it might be wise to use a VPN connection. The VPN encrypts all of your internet traffic. A hacker will only see encrypted matter and won’t be able to see or use your personal information.
  • Bypassing censorship and geographical restrictions: For a normal internet user there can be many restrictions as to what you can and cannot access. For instance, you cannot watch all the content available on BBC iPlayer if you are not accessing the internet via a British IP address. Also, some services like Netflix offer different content in different geographical zones. Some governments (e.g. China and Turkey) block access to certain internet services, such as, WhatsApp, Facebook, or Twitter. By changing your geographical location with a VPN, you can bypass these different restrictions.
  • Downloading and uploading anonymously: Downloading is illegal in most countries and more than ever before downloaders are tracked down and sometimes even fined. To make sure nobody knows what you are downloading or uploading you can use a VPN connection. Because of the encrypted traffic and the rerouted IP address you can download anonymously with a VPN.
  • Prevent companies from building a file on you: Advertising networks such as Facebook, Google, and Twitter are constantly collecting information about you person through your online traffic. With this information they can show you preselected adds but more importantly they are free to sell this information to a third party. By encrypting your data using a VPN these networks won’t be able to collect information on you and they will have less influence on what you see online.
  • Access to your company’s network: More and more companies are giving people the possibility of working from home. Some people use a VPN connection to access the company network at home. This enables people to efficiently work from home.

To read more about the different reasons why people use a VPN please read our article on the subject: What can you do with a VPN?

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Using a VPN connection

If you want to create a VPN connection on your computer you will need a VPN account. Most accounts will not cost you more than a couple of dollars a month. After signing up for an account with one of the VPN providers, they will give you login information for their VPN servers. You can then use this login information to set up a connection with one of the servers your provider offers. Most providers offer software that makes it very easy to set up the connection. After that you can pick the protocol that suits your needs and choose which server in what country or city you want to connect with.

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Two of the best VPN providers

We have tested all big VPN providers. You can find an extended review of the big providers on our list of the best VPN providers. If you would like to get started with a simple, user-friendly, and trustworthy VPN we recommend ExpressVPN and NordVPN.


ExpressVPN-on-different-devicesExpressVPN is one of the best VPN providers that we have tested thus far. They offer fast and stable severs, nice applications for all devices, and great customer service. ExpressVPN aims to offer you the best quality but you also pay for that. They are not the cheapest VPN provider but with our special discount offer you can already get a subscription for $6,67 a month. This subscription allows you to protect three of your devices with ExpressVPN. Read more about this provider in our full review of ExpressVPN.

ExpressVPN has a 30-days money-back guarantee. They now offer 3 months free on a yearly subscription!

View ExpressVPN deals

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NordVPN offers a good and trustworthy VPN service. It has very high levels of security. This high security causes NordVPN to be slower than ExpressVPN but it is still a very good choice. For the quality they offer, they are very affordable. Moreover, the applications are user-friendly and well structured. Read more about them in our full review of NordVPN.

NordVPN has a 30-days money-back guarantee. They also have very affordable deals, especially if you commit to a contract for a longer period of time.

View NordVPN deals

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Extra advice: Some routers allow you to install a VPN connection. This way you can use the VPN connection for all of your devices at home. Installing this can be a challenge for some. We advise you to use DD-WRT router software.

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What different VPN protocols are there?

VPN connections use an encrypted connection also called a tunnel. There are several different ways (protocols) in which such a VPN connection can be set up. The most common protocols are:

  • OpenVPN: OpenVPN is one of the most used protocols. It is an open-source protocol which uses encryptions based on the OpenSSl and SSLv3/TLSv1 protocols. Most VPN providers support OpenVPN and it is available for a lot of different platforms (e.g. Windows, Mac (OSx), Android, iOS, Linux, DD-WRT routers). Most consider OpenVPN to be the best choice.
  • IPSec/L2TP: this protocol combines IPsec for the encryption of data with L2TP for the secure connection. Most operating systems include IPsec/L2TP and is a good choice if OpenVPN is not available.
  • PPTP: PPTP (Point to Point Tunnelling Protocol) is one of the fist protocols that became available. This protocol does contain a few (potential) leaks. For this reason, the use of this protocol is only advisable if speed is more important than safety. This could be the case if you want to bypass restrictions set up by steaming services.
  • Softether: Softether, unlike the others mentioned, is not a stand-alone protocol but an open-source application that works across different platforms and offers support to VPN protocols such as, SSL VPN, L2TP/IPsec, OpenVPN, and Microsoft Secure Socket Tunnelling Protocol. Softether supplies you with one VPN server.

View Best VPNs