How to Get the Product Key in 64-Bit version of Windows 7

Unfortunately, many users wipe out the OS itself after buying a new Vista machine, replaces it with Windows XP and they forget to check if there’s a backup CD or copy of the product key.

Most of the manufacturers nowadays doesn’t give the installer of the OS.

Prevention is Better than Cure
Using the new version of WinGuggle, you can create a backup if you don’t have the original installation disc of your 64-bit version of Windows.
Just run the program and copy the product key for safe keeping.
Windows 7 64-Bit Enterprise Edition

Your antivirus program will not give any alarm and also works with 64-Bit version of Vista, Microsoft Office XP, 2003 and 2007!

GUID and Random Number Generator

Globally Unique Identifier or GUID is a 128-bit integer (16 bytes) identifier  used in software applications in order to provide a unique reference number to identify a particular component. It is so unique that there's a very low probability or its impossible that any two or more component has the same value.
Registry Applications
Network and Sharing Center
{8E908FC9-BECC-40f6-915B-F4CAOE70D03D}
System {BB06C0E4-D293-4f75-8A90-CB05B6A77EEE}
Taskbar and Start Menu {0DF44EAA-FF21-4412-828E-260A8728E7F1}
Folder Options
{6DFD7C5C-2451-11d3-A299-00C04F8EF6AF}
{GUID}

Using GUID Generator: you can use this tool to create your own Guid that can be used for tweaking and customization.
Example: Another Way to Add Icons to Desktop

Random Numbers
Generation of random numbers is very important in computer science. It is a computational algorithm designed to generate a sequence of numbers that appear to be random.

This is often use in gambling, cryptography, computer simulation, websites that predicts the users personality especially in social networking websites such as facebook and others.

You can try here: Random Number Generator from your selected range
Using the Random numbers in lottery: http://windowsforus.com/LuckyLotto/

Overall, these systems are related to each other because they can produce unique numbers that can be use in many computer applications.

Being familiar is very important.

How to Burn ISO Files or Disc Images in Windows 7

Many programs and installation disc now are compiled in .iso format. Making a copy or burning them in Windows 7 is very easy. A built-in Right-Click Menu will launch the Windows Disc Image Burner to burn .iso files directly within Windows without the need of third party tool.

ISO File is a disk image or copy of data of a DVD/CD-ROM.

To verify the disc after burning, click to check the option as shown in the picture above.

It is supported natively in Windows 7 free of charge.

That’s it! Hope this helps!