Unable to Use or Install Microsoft Office 2007 (Cannot find Missing Product Key)

You may see the following message when you attempt to use any of the Microsoft Office products:
The Microsoft Office Activation Assistant was unable to detect a 2007 Microsoft Office release.


NOTE:
The product key for Microsoft Office 2007 trial software is not included in the product packaging. Do not use the 25-digit product key from the label attached to the outside of the computer case – this is a Windows product key and will not work with Office 2007. You must follow the instructions below to activate the Office 2007 trial.
Before a preinstalled office applications can be opened and used, acquire an online key from Microsoft to activate the 60 day trial. To do this, use the following steps:

NOTE:
If you are trying to install a full upgrade version of Office, it may be necessary to uninstall previous trial versions and then re-download and activate a qualifying trial version before the full version can be installed.
Connect to the Internet.
Double-click the icon for Microsoft Office 60 Day Trial on the windows Vista desktop.

Figure 1: Desktop icon

In the window that opens, click Click Here To Request Your Trial Activation Key Online .

Figure 2: Link to request an activation key


A product key appears in the field next to "

Figure 3: Field where the key appears

Select the activation key by clicking and dragging the mouse pointer over the key until the entire key text is selected.
With the enter key selected, press the CTRL + C keys. This copies the activation key to the Windows clipboard (a temporary holding place for data).
Write the activation key text down on paper.
Click the link Now Click Here To Launch Microsoft Office and Enter Your Trial Key .
An Enter your Product Key window opens.

Figure 4: Enter your Product Key window

Click anywhere inside the text field and press the CTRL + V keys. This should paste the activation key into the field. If not, enter the activation key text that was written down on paper.
Click Continue to go through an activation and configuration process. Read and respond to the screens that open. When this process is complete, Microsoft Office is ready to use for the trial period.

NOTE:
When the trial period has expired, Microsoft Office must be purchased to continue use. You can convert the trial version to a full version by clicking Convert in the reminder messages when they appear or by selecting Activate your software from the Help menu at any time.