Most people buying a Windows licence key make the decision in about thirty seconds. Home is cheaper, so they pick Home. Or Pro sounds more serious, so they pick Pro. Neither is a good reason, and if you land on the wrong one you’re either overpaying for features that will never once appear in your workflow, or you’re going to hit a wall six months down the line when you need something that isn’t there.
The difference between Windows 11 Home and Pro isn’t a marketing distinction — it’s a specific, consequential list of features that matter enormously to some users and are entirely irrelevant to others. Getting this right takes about three minutes if you know what to look for. Here’s what to look for.
Already know which edition you need and just want a reliable place to buy it? Our guide to the best places to buy genuine Microsoft licence keys in the UK covers the reputable options and what each one offers.
What Windows 11 Home Gets You (And Where It Stops)
Home is a capable, fully-featured operating system for the vast majority of personal users. If your machine is for browsing, streaming, gaming, creative work, or standard office productivity, Home covers all of it without compromise. Windows Security — the built-in antivirus and firewall suite — is included, as is Windows Hello biometric sign-in, full Microsoft Store access, and all Windows Update feature and security releases.
Where Home falls short is specific. The omissions that actually matter are:
- BitLocker Drive Encryption — Home includes a limited version called Device Encryption, but it’s tied to your Microsoft account and offers less administrative control. Full BitLocker, with its recovery key management and drive-level policy control, is Pro-only.
- Remote Desktop Host — Home can connect to other machines via Remote Desktop, but it cannot act as a host. You cannot remotely connect into a Home machine from elsewhere.
- Hyper-V — Microsoft’s built-in virtualisation layer for running VMs natively. Absent on Home entirely.
- Group Policy Editor (gpedit.msc) — the administrative tool for managing system-wide settings at a granular level. Pro-only.
- Windows Sandbox — a lightweight, isolated desktop environment for safely testing untrusted software. Not available on Home.
- Azure AD Join / domain join — connecting to a managed corporate network or Microsoft Entra directory requires Pro.
- Assigned Access (Kiosk Mode) — locking a device to a single application. Relevant for POS systems or shared-use machines; Pro-only.
The RAM ceiling is also different: Home tops out at 128 GB, Pro supports up to 2 TB. For most users that distinction is academic, but it matters in workstation contexts.
What Pro Actually Adds — And Who Genuinely Uses It
Pro’s feature list is longer than Home’s, but the honest version of the conversation is that most of it applies to a fairly narrow audience. Here’s a clear-eyed breakdown of what Pro adds and who it’s actually for.
BitLocker is the one that catches people out. Full-disk encryption isn’t a niche enterprise concern — it’s relevant to anyone who travels with a laptop and has sensitive data on it. If that machine is lost or stolen and you’re running Home, Device Encryption offers some protection, but it’s less robust and harder to manage than BitLocker. For anyone handling client data, financial records, or anything GDPR-adjacent, this matters.
Remote Desktop Host is increasingly relevant for the entrepreneurial user who wants to access their main machine from a hotel, or give a VA or IT support contact remote access without third-party tools. If that’s your workflow, Pro earns its premium on this feature alone.
Hyper-V is a developer and IT tool. Running virtual machines natively — test environments, legacy OS instances, sandboxed builds — is genuinely useful for developers and sysadmins, and largely irrelevant to everyone else. If you’re running VMs, you already know you need it.
Group Policy is almost exclusively an IT administration tool. It allows granular control over user and system settings across a managed environment. For a solo user or small business owner without a managed fleet of devices, it has limited practical application.
Domain join and Azure AD matter if you’re connecting to a corporate network managed by an IT department, or building out a Microsoft Entra-based identity setup for your own business. If you’re working independently with no managed infrastructure, these don’t come into play.
The Cases Where Home Is the Right Answer
The upgrade to Pro is a straightforward call for some users, but it’s worth being equally clear about when Home is not just acceptable but correct. Home is the right licence for:
- Personal machines used for browsing, gaming, media, and everyday productivity with no sensitive business data.
- Secondary or family machines where remote management and enterprise security aren’t considerations.
- Anyone already covered by a managed work machine running Pro — there’s no benefit to duplicating that setup on a personal device at your own cost.
- Gamers, content consumers, and creative users who have no need for virtualisation, remote access hosting, or domain management.
- Students whose workload doesn’t involve development environments or VM-dependent toolchains.
The important caveat is the BitLocker question. Even for ostensibly personal use, if you travel with your laptop and it contains anything you’d be uncomfortable losing to a stranger — client emails, financial documents, login credentials stored in a browser — it’s worth pausing on that one specifically before concluding that Home covers everything you need.
Which One Is Right for You?
The decision has more variables than a quick read can resolve for every situation. The team at Software Supplies — where we source our licence key recommendations — have built a straightforward adviser tool that works through your specific setup and gives you a direct answer. It takes about a minute.
What best describes you?
What will you mainly use this PC for?
Do you need any of these features?
Select all that apply. Not sure? Leave them unchecked — we’ll still give you the right recommendation.
What’s your current situation?
We recommend: Windows 11 Pro
Why this is right for you
Compare Windows 11 Home vs Pro
| Feature | Home | Pro |
|---|---|---|
| BitLocker Encryption | ✕ | ✓ |
| Remote Desktop (Host) | ✕ | ✓ |
| Hyper-V Virtualisation | ✕ | ✓ |
| Group Policy | ✕ | ✓ |
| Windows Sandbox | ✕ | ✓ |
| Assigned Access (Kiosk) | ✕ | ✓ |
| Maximum RAM | 128 GB | 2 TB |
| Maximum CPU Sockets | 1 | 2 |
| Azure AD Join | ✕ | ✓ |
| Windows Information Protection | ✕ | ✓ |
Results provided by Software Supplies UK — prices correct as of May 2026.
Where to Buy the Right Licence
Once you know which edition you need, the next question is where to buy it. Our full guide to the best places to buy genuine Microsoft licence keys in the UK covers the reputable UK retailers, what genuine versus grey-market keys actually means in practice, and what to look for when buying a digital licence. The short version: stick to established UK-based sellers with clear support policies and verifiable genuine retail keys — the few pounds saved on a dubious key rarely survives contact with a Microsoft activation server.
Frequently Asked Questions
Can I upgrade from Windows 11 Home to Pro without reinstalling Windows?
Yes, and it's straightforward. Go to Settings → System → Activation, select "Change product key", and enter your Windows 11 Pro key. The upgrade applies immediately without touching your files, installed applications, or settings. There's no reinstall involved — it's an in-place licence swap that takes a couple of minutes.
Is Windows 11 Home secure enough for working from home?
For most home working setups, yes. Windows 11 Home includes Windows Security (antivirus, firewall, ransomware protection), Windows Hello biometric sign-in, and automatic security updates — all adequate for standard remote work. The caveat is drive encryption: if your laptop holds client data, financial records, or anything covered by GDPR, Home's Device Encryption is less robust than the full BitLocker available in Pro. Anyone with genuine data protection obligations should factor that in before assuming Home covers everything.
What's the difference between BitLocker and Device Encryption?
Both encrypt the contents of your drive, but they're not equivalent. Device Encryption (available on Home) activates automatically on supported hardware and is tied to your Microsoft account — it's designed to be invisible and hands-off. BitLocker (Pro only) gives you full administrative control: you manage your own recovery keys, can encrypt external drives, and apply encryption policy independently of a Microsoft account. For personal use, Device Encryption is reasonable protection. For business data, BitLocker is the more defensible option.
Do I need Windows 11 Pro if I use Microsoft 365?
No — these are separate products that don't affect each other. Microsoft 365 (including 365 Business) is a subscription to Office apps and cloud services; it has no bearing on which edition of Windows you're running. You can use any tier of Microsoft 365 on a Home machine, and a Pro licence doesn't include or unlock any Microsoft 365 features. The two purchasing decisions are entirely independent.
Can I use a Windows 11 licence on more than one PC?
No. Retail Windows 11 licences — Home or Pro — are single-device licences. Once activated on a machine, that key is tied to that hardware. You can transfer a retail licence to a new PC if you deactivate it from the original machine first, but you cannot run the same key on two machines simultaneously. If you need Windows across multiple devices, Microsoft's volume licensing programmes are the correct route.
