Depending on the version of Windows you're currently running, installing Windows 7 on your PC may be a lengthy process. Run Windows 7 Upgrade Advisor to make sure your PC can run Windows 7, and then review the information below prior to buying or installing Windows 7 on your PC.
Use this chart to determine whether you should do an upgrade or custom (clean) installation.
Read these topics to help make the right choice for you:
Understand the installation process
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Upgrade means you can install Windows 7 by simply inserting the Windows 7 upgrade software into your PC's DVD drive and follow the instructions on your screen. While you're not required to backup and reinstall your files, or reinstall your programs, it's a very good idea to back up your files and settings before you start any software upgrade. Get more information about software upgrades and best practices.
What does "custom (clean)" mean?
A custom (clean) installation erases the contents of your PC's hard drive. Your files, settings, and programs will not be transferred to Windows 7. That means that to install Windows 7, you'll need to:
These four steps take time, some technical skill and Windows Easy Transfer can help. However, If you're not comfortable with this process, please consider having the installation done by a local service provider.
How do I do a custom (clean) installation?
A custom (clean) installation completely erases the contents of your PC's hard drive. Your files, settings, and programs will not be transferred to Windows 7.
Here's what you need to do:
Run Windows 7 Upgrade Advisor to make sure your PC can run Windows 7.
to see if there are any known issues that might affect the installation and whether you should install the 32- or 64-bit version of Windows 7.
Back up your files To avoid losing anything, you'll need to save copies of all the files, photos, and other information you want to keep on an external hard drive. Windows Easy Transfer is a free tool you can use to copy your information (but not programs) off your PC and then put them back after you install Windows 7.
Note: Windows Easy Transfer does not support moving from a 64-bit version of Windows to a 32-bit version of Windows.
Locate the original installation disks for the programs currently on your computer.
Insert the Windows 7 DVD and follow the instructions for a custom installation by selecting the Custom (advanced) installation option.
Reinstall your programs and your backed-up files and settings. If you used Windows Easy Transfer, launch Windows Easy Transfer in Windows 7 (in the Start menu, click All Programs>Accessories>System Tools) and follow the instructions.
Note: If you're moving files that you backed up with the Windows XP backup software, you'll need to download a free tool to restore the files to your Windows 7 PC. Here are more technical details about the installation process.
Other questions to answer before buying or putting Windows 7 on your PC
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