Windows 10 End of Support -- Perth IT Care

A Perth accounting firm called us last month in a panic. Their eight-year-old computers were running fine, handling QuickBooks and client files without issue. Then they heard about Windows 10 end of support coming in October 2025 and tried to upgrade to Windows 11. The upgrade checker delivered bad news: none of their machines had the TPM 2.0 chips required. They faced a choice between buying new computers for $15,000 or running unpatched systems that cybercriminals actively target.

If you're running Windows 10 in your Perth business, this scenario might sound familiar. Microsoft will stop releasing security patches for Windows 10 on October 14, 2025. After that date, any new vulnerabilities discovered won't get fixed, turning your computers into sitting ducks for hackers who specifically hunt for these known weaknesses.

The Hard Reality of Windows 11 Hardware Requirements

Windows 11 isn't just a software upgrade you can install on any machine running Windows 10. Microsoft introduced strict hardware requirements that block most computers older than 2019 from upgrading:

• TPM 2.0 chip (Trusted Platform Module for encryption keys)
• UEFI firmware instead of legacy BIOS
• Secure Boot capability
• 8th generation Intel or 2nd generation AMD processors (or newer)
• 8GB RAM minimum (realistically 16GB for business use)

Most business computers purchased before 2020 don't meet these requirements. You can check if your systems qualify by downloading Microsoft's PC Health Check tool, but don't get your hopes up if you're running older hardware.

The TPM requirement alone eliminates most existing business computers. These security chips weren't standard until recent years, and retrofitting them isn't practical or cost-effective.

What Happens When Support Ends

Running Windows 10 after October 2025 doesn't mean your computer stops working immediately. Your applications will run, files will open, and day-to-day operations continue normally. The danger lies in what you can't see.

Security researchers and cybercriminals will continue finding vulnerabilities in Windows 10 after support ends. The difference is Microsoft won't patch them anymore. These unpatched security holes become public knowledge, essentially publishing a cookbook for hackers.

Cybercriminals love targeting unsupported systems because they know the vulnerabilities won't get fixed. It's like leaving your office door unlocked with a sign saying "no security guard on duty." Your business data, client information, and financial systems become easy targets for ransomware attacks and data theft.

Australian Compliance Considerations

Running unsupported operating systems creates compliance headaches for Perth businesses. The Privacy Act 1988 requires reasonable steps to protect personal information. If a breach occurs because you were running known-vulnerable software, explaining that to the Privacy Commissioner gets uncomfortable.

Professional services firms face additional scrutiny. Legal practices, accounting firms, and healthcare providers dealing with sensitive client data can't justify security incidents caused by preventable software vulnerabilities.

Your Options and What They Cost

You have three main paths forward, each with different cost and risk profiles:

Option 1: Hardware Replacement

New Windows 11 computers cost $800-$2000 per workstation for business-grade machines. A typical Perth small business with 5-8 computers faces $6,000-$15,000 in hardware costs, plus migration time and potential software compatibility issues.

The upside is you get modern hardware, better performance, and five years of Windows 11 support. The downside is the immediate cash outlay and disruption of replacing working computers.

Option 2: Extended Security Updates

Microsoft offers Extended Security Updates (ESU) for Windows 10, but only for business and enterprise customers. Pricing starts around $60 per device for the first year, doubling each subsequent year. For our accounting firm with 8 computers, that's $480 in year one, $960 in year two.

ESU provides critical security patches but no new features or performance improvements. It's expensive temporary protection while you plan hardware replacement. The costs add up quickly, often exceeding new computer purchases within 2-3 years.

Option 3: Risk Acceptance

Some businesses choose to continue running unpatched Windows 10, accepting the security risks. This might work for isolated systems with minimal internet exposure and robust backup procedures, but it's not recommended for typical business environments.

The hidden costs of this approach include potential ransomware recovery, data breach notifications, compliance violations, and reputation damage. A single security incident often costs more than the hardware replacement you were trying to avoid.

Timeline for Action

October 2025 sounds far away, but migration projects take longer than expected. Hardware supply chains still face delays, especially for business-grade computers with specific configurations.

Start your technology evaluation process now. Assess which computers can upgrade to Windows 11, identify replacement needs, and budget for the transition. Waiting until mid-2025 means competing with other businesses for hardware and installation services.

Migration Planning Steps

Immediate actions (next 3 months):

• Review current hardware using Microsoft's compatibility checker
• Identify critical applications that need Windows 11 testing
• Budget for hardware replacement or ESU costs
• Plan data backup and migration procedures

Medium-term preparation (6-12 months out):

• Order replacement hardware to avoid supply delays
• Test critical applications on Windows 11
• Plan user training for interface changes
• Schedule migration during low-impact periods

Your Microsoft 365 security configuration and backup systems need review as part of this transition. Perth businesses face real deadlines and budget pressures, but the cost of inaction exceeds the cost of preparation. Start planning now, before everyone else does.