Microsoft Security Essentials and Malwarebytes Premium
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Pale Moon
Other Info
All fans PWM; speeds at idle: CPU circa 500 rpm; intake circa 600 rpm; exhaust circa 600 rpm; CPU temps 27 idle and 47 C load in a warm room (27 C/81 F) when running Intel Extreme Tuning Utility stress test.
It doesn't make it "not valid" as in stop it from working, however the EULA states that you may not use the product upgraded from once Windows 7 has been installed. You no longer have a legal license, even though you may have a key.
My Computer
At a glance
Windows 7 Ultimate RTM (Technet)3.00 gigahertz Intel Core2 Duo E84004GBATI Radeon X1950 Pro