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Windows Comparison Guide

All genuine editions of Windows can be identified by their anti-counterfeiting features. Answer the short questions below to compare your features with those found on genuine Microsoft software.

To begin the Windows Comparison Guide, select the method by which you acquired Windows.

Purchased pre-installed on or with computer Purchased with computer
Purchased retail as an indivually boxed product Purchased retail
Purchased a digital download online Digital Download
Volume License Upgrade Volume License Upgrade
Know what to look for before you buy Know before you buy
Step 1: Locate your COA on your PC

Every new PC preinstalled with Windows should include a COA. The COA should be affixed to the PC chassis. For tablet PCs and other small devices, the COA label may be affixed under the battery. COAs cannot be purchased separately.

Were you able to locate your Certificate of Authenticity?
Yes     No    (Selecting this option indicates non-genuine software.)

Step 2: Determine which COA is affixed to your PC

Select the COA that most closely resembles the one affixed to your PC.

Which Certificate of Authenticity do you have? (Click COA image to enlarge)

My COA is not shown below (Selecting this option indicates non-genuine software.)

Fibrous Port-Hole™
Fibrous Port-Hole™

Transparent Port-Hole™
Transparent Port-Hole™

Dual Blue-green Port-Hole™
Dual Blue-green Port-Hole™

Dual Port-Hole™
Dual Port-Hole™

Orange
Orange

Blue/Green with Keyboard
Blue/Green with Keyboard

Blue
Blue

Purple
Purple


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