Tips to install Windows 7 help save up to US $ 100

Users can use the license to upgrade and install 'clean' Windows 7, saving 80 - 100 US dollars compared to installing with full versions.

According to blogger Paul Thurrott of Supersite for Windows, users can use Microsoft's Windows 7 product and upgrade keys to fully install on PCs that don't run a 'predecessor' version of Windows.

The Windows 7 upgrade disc is designed for PCs running Windows XP, Windows Vista or a preview version of Windows 7. Mr. Thurrott said, in just a few easy steps, users can use the upgrade disc to install Full, "clean" Windows 7 installation (ie, installing non-preserved old data) at a cheaper cost (for example, upgrading to Windows 7 Home Premium costs only US $ 119.99 but full version The price difference is up to US $ 199.99, the difference between Windows 7 Professional, Windows 7 Ultimate and the upgrade is up to US $ 100.

Mr. Thurrott said that in order to do this, users need to install but not activate Windows 7 with the same product key. After the installation is complete, users must use the "rearm" command to make a small change to the Windows registry and then reboot. When Windows 7 is restarted, users run the Activate Windows tool, type the product key and activate Windows to finish.

Implementation details are presented below (refer here):
- After the installation is completed with the upgrade disc, the trigger drill with the lock comes along.
- Run regedit.exe
- Find HKLM / Software / Microsoft / Windows / CurrentVersion / Setup / OOBE / Setup keys
- Change MediaBootInstall value from 1 to 0
- Run cmd.exe in RUN with administrator account
- At the Command Line command, type: slmgr / rearm
- Turn off the Command Line and restart Windows
- Activate by activating the product key