Installing CentOS 7

To install CentOS 7 on your computer:

1. Download the “CentOS-7x86_64-Minimal-1908.iso” file from the following link: http://mirrors.seas.harvard.edu/centos/7.7.1908/isos/x86_64/
   A list of additional mirrors can be found at http://isoredirect.centos.org/centos/7/isos/x86_64/

2. Copy the downloaded file to a FAT 32 formatted USB thumb drive of good quality with at least 8 GB of space.

3. To create a bootable USB drive, download Rufus to your computer from the following link - https://rufus.akeo.ie/

4. Right-click on the Rufus icon and choose Run as Administrator.
   The following screen is displayed:
   

   

5. In the Device field, select the name of your USB thumb drive.

6. In the Create bootable disk using field, select the format of the downloaded image (e.g. ISO image).

7. Click on the disk icon to browse to the CentOS 7 ISO to install.

8. Click Start.
   The process will take a couple minutes and the lower window will display “READY!” when done.

9. Remove the USB and install it on the machine you will be installing CentOS on.

10. Boot your computer by restarting it and then waiting for that first screen to be displayed.

11. Press the boot option key as instructed on the first screen (e.g. often, it'll say something like "Press F12 to Choose Boot Device").

12. Wait a moment to continue booting until see a menu pop up with a list of choices on it. Highlight your USB drive and press Enter.

13. Exit out of your BIOS, while saving your changes. Usually, this option is under "Exit" on the main menu, or available via a keyboard shortcut listed (e.g. F4) somewhere on your screen.
    Your computer should reboot. If you're prompted to "Press any key to boot from CD/DVD" do so. Your computer should boot into the USB drive instead of your normal operating system.

14. On the following CentOS 7 prompt screen, select Install CentOS 7 and then press Enter.