Update your window 7 Product key (Change product key link not available in window 7)

Normally, to change the product key in Windows 8, you open Control Panel, select System, and then click on the Change product key link.

If when you try to change the Windows product license key, you find that the Change product key link is not available or visible, you may want to check if your Windows is activated first, because this usually happens if Windows has not been activated yet.

You can activate Windows using the SLUI.EXE 3 command. You can get more information here on how to activate any version of Windows.

Or you can run the following command at an elevated command prompt says KB2750773:

slmgr.vbs /ipk  

You need to do it with Admin rights

Capturing bulk screenshots of entire website for review etc

There are many cases we need to review the entire website with business. It's always easy to take print out of the desired pages and pass it to business. Although there are many paid tools for SEO which helps getting the detail of specified page, I found a very good Mozilla Plugin to capture the screenshots. You just need to pass the list of all pages in a text file and you get screenshot of every page. You can login to target website before running the tool to capture the If some pages are under authenticated area

Extension Name : Grab Them All (Mozilla)

http://rafal.zelazko.info/2008/06/23/easy-screenshot-of-many-sites/