Original Address http://morgan363.iteye.com/blog/2247255
There are two types of CentOS installation files (32-bit and 64-bit), and each type of download should have a different version, which is suitable for users with different requirements.
CentOS 7 Official Download Address: https://www.centos.org/download/
On the CentOS official website, CentOS 7 provides downloads of three ISO image files: DVD iso, Everything ISO, minimal ISO.
Following the ISO image files for each version, one by one instructions are available:
Centos-7.0-x86_64-dvd-1503-01.iso Standard installation version, general download This is OK (recommended)
Centos-7.0-x86_64-netinstall-1503-01.iso Network installation image (from network installation or rescue system)
Centos-7.0-x86_64-everything-1503-01.iso the full version of the installation disk software to complement the integration of all software. (a complete set of packages containing centos7 that can be used to install systems or populate local mirrors)
Centos-7.0-x86_64-gnomelive-1503-01.iso Gnome Desktop Edition
Centos-7.0-x86_64-kdelive-1503-01.iso KDE Desktop Edition
A system that runs on Centos-7.0-x86_64-livecd-1503-01.iso CDs, classes are intended for WinPE
Centos-7.0-x86_64-minimal-1503-01.iso compact version, with minimal software
1, click the "DVD ISO" button, you can download CentOS 7 DVD ISO image files.
2, click the "Everything ISO" button, you can enter the CentOS 7 Everything iso image file download page, this page provides actual Country ("Real country", can be interpreted as you are in the country, that is, "home") and nearby Countries ("Nearby Country") a series of ISO mirrored file download links.