Windows 7 Upgrade Guide
3
To do a clean install: 
1
Follow the first four steps listed under in-place upgrade. 
2
On the Which type of installation do you want? page, click 
Custom(advanced).*
3
Choose the partition on which you want to install Windows
®
 7. 
4
Follow the on-screen instructions to finish the installation. Your 
Windows operating system will be upgraded to Windows
®
 7 after the 
installation. 
* If you start your computer from the Windows Upgrade Disc, you have 
the option here of creating, extending, deleting or formatting partitions 
before installing Windows
®
 7. To start from the upgrade disc, restart 
your computer. When the Lenovo logo comes up, immediately press F12 
(or Fn+F11, if there is no separate F12 key on your keyboard) to open the 
boot selection menu. Choose the optical drive as the first boot device. 
Your computer will start from the Windows
®
 7 Upgrade Disc. 
 Activation: 
After upgrading to Windows
®
 7, you will be required to activate it. To 
activate the new operating system:
1
Click Control panel>System and security>System to open the System 
window. The remaining days within which you are required to finish 
the activation will be displayed under Windows activation. Click this 
link. 
Windows 7 upgrade guide EN.fm Page 3  Thursday, October 29, 2009 5:33 PM







