What Is a VPN? A Plain English Explanation for Non-Tech People

By James Whitfield · June 1, 2026 · Updated June 15, 2026 · 8 min read

Last updated: June 15, 2026

Quick Answer

A VPN (Virtual Private Network) is an app that does two things: it hides what you're doing online from your internet provider and other snoopers, and it lets you appear to be in a different country. Most people over 50 use one to watch overseas streaming content (like BBC iPlayer from Australia) or to stay safe on public Wi-Fi.

The Simple Explanation (No Tech Jargon)

Imagine your internet connection is like a postcard. Anyone who handles it — your internet provider, the Wi-Fi network at the café, even certain websites — can read what's written on it.

A VPN turns your postcard into a sealed envelope. The content is hidden. And instead of your return address showing your home suburb, it shows the VPN company's address — which could be anywhere in the world you choose.

That's genuinely all it does. The technical details are more complex, but the outcome is simple: more privacy, and the ability to appear to be browsing from another country.

What Does a VPN Actually Do?

Here are the three most common reasons people over 50 use VPNs:

1. Watch overseas streaming content

Netflix, BBC iPlayer, and other streaming services show different content depending on which country you're in. If you're in Australia and want to watch something that's only available on the UK version of Netflix, or watch BBC programmes while living abroad, a VPN lets you do that by making your internet connection appear to come from the UK.

This is the main reason most of my readers use a VPN, and it works well with services like NordVPN and ExpressVPN.

2. Stay safe on public Wi-Fi

When you use Wi-Fi at a café, airport, hotel, or library, your connection is potentially visible to other people on that same network. A VPN encrypts everything so nobody can intercept your banking details, passwords, or private messages.

If you ever check your bank account or email on public Wi-Fi, a VPN is worth having.

3. General privacy from your internet provider

In Australia, the UK, Canada and the US, your internet provider can legally see which websites you visit and may share that data with advertisers or government agencies. A VPN prevents that by encrypting your connection before it even reaches your internet provider.

🔒 Real-World Example from My Own Use My elderly parents moved from England to Melbourne in 2019. The thing they missed most was watching their favourite BBC programmes. After I set up NordVPN on their TV stick, they watch BBC iPlayer every evening as if they were still in Manchester. They've never had a tech problem with it — not once in two years.

What a VPN Does NOT Do

This is important, because some VPN companies overstate what their products can do:

Is It Legal?

Yes. Using a VPN is completely legal in Australia, the UK, Canada and the United States. VPNs are used by millions of businesses and individuals every day for legitimate privacy and security purposes. There's nothing suspicious about using one.

Some streaming services technically prohibit using a VPN in their terms of service to access content from another region, but this is rarely enforced and the consequences are limited to the content not working (not legal action).

Will It Slow Down My Internet?

A little, yes. Encrypting and routing your connection through a VPN server adds a small delay. On a good VPN like NordVPN, this is typically a 10–20% reduction in speed.

In practice: if your home internet is 100 Mbps without a VPN, you might get 80 Mbps with one. Netflix HD streaming requires 5 Mbps. 4K requires 25 Mbps. So even with the reduction, most Australian homes have more than enough speed.

Frequently Asked Questions

What does VPN stand for?

VPN stands for Virtual Private Network. The name is more confusing than the concept. In plain English: a VPN is an app that disguises your internet connection to keep it private and lets you appear to be in a different country.

Do I need a VPN at home?

At home on your own password-protected Wi-Fi, a VPN is optional. It adds privacy but isn't urgently necessary unless you want to access overseas streaming content. Where a VPN genuinely matters is on public Wi-Fi — cafes, airports, hotels.

Is using a VPN legal in Australia?

Yes, using a VPN is completely legal in Australia, the UK, Canada and the US. VPNs are used by millions of businesses and individuals for legitimate privacy and security purposes.

Will a VPN slow down my internet?

A VPN will slow your connection slightly — typically 10-20% on a good VPN. For most everyday activities (streaming, browsing, video calls), this is barely noticeable. Netflix HD streaming only requires 5 Mbps.

Ready to Try a VPN?

NordVPN is my top recommendation — easiest to set up, reliable streaming, 30-day money-back guarantee.

Read My Full NordVPN Review →

Sources