The difference between Win7 system upgrade installation and new installation

What is the difference between upgrading installation and customization when installing Windows 7? When we install windows7 operating system, we will ask us which type of installation method to use for customization, one is upgrade, before selection Be sure to learn more about the difference between the two, then what are the differences between the two? Let's learn with the win7 home Xiaobian.

Upgrade installation: means to keep the operating system under the original operating system upgrade, in the process of upgrading, will be installed according to the upgrade mode in the original definition of Microsoft Group, after the upgrade will not Formatting the disk, except for the operating system, the previous files can be retained after the upgrade and installation, but the application compatibility changes may make some of the programs you originally installed unavailable, and some are not in the Microsoft Group data migration mode. Files, in the process of upgrading, will be discarded directly by the win7 version of the operating system.

Custom installation: refers to the user can customize the installation of the operating system disk partition, whether it is installed online, etc., many of the upgrade settings need to be manually set, if you choose a custom installation in the data migration In the process, the win7 version of the operating system user can perform data migration according to their own choices, and the original data of the installation disk may be lost during the installation process.

The two upgrade methods have their own advantages, but depending on the actual situation, but if the win7 users need to migrate more and complicated data during the upgrade process, it is recommended to choose custom. The upgrade mode, in the process of data migration, will be more convenient.