How to upgrade from trial version Beta to latest of Windows 7?

Intra Up-gradation is also valid ie. if you want to update your current trial pack of windows 7 to its latest one.

Ans: Upgrade your current version of Windows 7 with the latest one. Follows the steps:
Step 1. Insert the Window 7 DVD and run the Setup.
Step 2. Then click “Install Now.”
Step 3. If you find any difficulty and not getting Install Windows screen, browse to the root folder of the DVD . Doulbe click on “Setup.exe.”

You can also go online to get the latest updates.

Go online to get the latest updates (recommended) to retrieve any important updates for Windows 7. This step is optional. If you choose not to check for updates during Setup, click Do not get the latest updates.

Then comes the Agreement form. Accept it.

Click Upgrade (recommended) to perform an upgrade to your existing Windows installation.

Simulatenously a compatibility check runs. It check the driver compatibility with the new operating system. If issues are found, you will be shown a report. If you continue, some drivers may not work after the upgrade. Some incompatibilities may prevent the upgrade, and you will not be given the option to continue.

If no incompatibilities are found, Windows 7 Setup will proceed without further interaction.