According to foreign media reports, Paul Thurrott, a well-known writer in the Windows field, recently explained the Windows 8 system upgrade on his blog, detailing Windows 7 and Windows. XP upgrades various ways of Windows 8.
System Migration
First backup your system settings and data, then clean the Windows system, and finally import the system settings and data to the new system.
Windows 8
In Windows 8, the above installation method can still be used, but this is not universal. More notably, Microsoft's new system has made a lot of changes to the above methods.
Older systems supported by Windows 8 installation files include Windows XP SP3, Windows Vista, Windows 7 and Windows 8 release preview. If you run the installation files on the above system, you will see different installation methods. This is reflected in one of the steps: Choose What To Keep. This option will appear when you agree to the End User License Agreement (EULA).
Windows 7 Upgrade Windows 8 Options
Keep Windows Settings, Personal Files and Programs
Select this option, some Windows settings, all documents stored in the user folder (C:\\Users\\Default) and Files and all desktop programs will be kept on the new system. It should be noted that some programs may not be compatible with Windows 8, you need to uninstall these programs before installation.
This approach can be seen as an in-place upgrade, and the Windows 7 system is the only Windows system that supports this upgrade.
Keep personal files only
All documents and files stored in the user folder (C:\\Users\\Default) will be kept on the new system. Therefore, you will lose the installed desktop program (requires manual installation again) and all system and program settings. Since the Windows settings are not preserved, this operation can be considered as a system migration.
Don't Keep
The new system does not retain any file and system settings, and the user will perform a net install.
In short, Windows 7 provides the best Windows 8 upgrade method, it is the only Windows system that supports in-place upgrade, partial migration and net installation. From this we can also see that for some reason, the full migration of Windows settings and personal files does not support Windows 7, which is the fourth Windows 8 upgrade method.
Windows XP Upgrade Windows 8 Options
Keep Personal Files Only
All documents and files stored in the User Folder (C:\\Users\\Default) will be kept on the new system. Therefore, Haikou computer repair, you will lose the installed desktop program (requires manual installation again) and all system and program settings. Since the Windows settings are not preserved, this operation can be considered as a system migration.
Don't Keep
The new system does not retain any file and system settings, and the user will perform a net install.
It is worth mentioning that Microsoft allows Windows XP SP3 to upgrade Windows 8, but does not support in-place upgrades that preserve programs and system settings.
In fact, Hangzhou computer maintenance, many users who want to get rid of XP have been upgraded to Windows 7, so there are not many XP users upgrading Windows 8. Conversely, the computer maintenance forum, if you are a diehard XP, then you will not be interested in the new Windows 8.