Pages tagged trial:

Use any version of Windows 7 free for 120 days
http://windowssecrets.com/2009/08/20/01-Use-any-version-of-Windows-7-free-for-120-days

Interesting idea if you have the inclination and time...
There's an easy way to stretch Windows 7's 30-day free-trial period to 120 days so you can determine whether Microsoft's new operating system meets your needs.Even better — if you know the secret — you can try out any version of Win7, from Ultimate to the lowly Basic, using a single install disc.
The Windows Secrets Newsletter brings you essential tricks of running Microsoft Windows XP, Vista, Internet Explorer, Firefox, Windows Update, and more — weekly, free.