Counterfeit software can be a serious threat. It can lead to a corrupted system, a loss of data, or even IDENTITY theft, so it’s important to know that you’re getting genuine Microsoft software at your point of purchase.

Counterfeit software is the result of unauthorized copying, reproduction, or manufacture of software products. Counterfeit software often looks authentic and is sometimes distributed in packaging that imitates the original manufacturer's packaging. Counterfeit Gallery

Updating your software is essential for good internet security. Without a valid license for your software you will not be able to update your software to patch it against the latest exploits. An UNPATCHED Operating System is wide open to MALWARE infections. Defining Malware: FAQ

There are some circumstances where a user is unaware that they have bought a pirated Operating System (Windows). Be aware of scams. Know Before You Buy

The use of Pirated software is ILLEGAL. Is your copy of Windows genuine? How to TELL

Use these tools if you have experienced any problems when trying to update your Windows Operating System. Select the method by which you acquired Windows and compare the anti-piracy features included with your product with the anti-piracy features included with genuine Microsoft software.

Purchasing Genuine Microsoft Software

Windows was preinstalled on my new PC

Acquired Windows via retail purchase

Acquired Windows Upgrade Volume License

Office Validation Assistant

How to Tell: Frequently Asked Questions

Protect Yourself from Piracy

Reporting Piracy

Microsoft Update

Office Update

Download Center

Microsoft.com