Dear Uma,


Hope you are doing well.


Please Follow the steps given below.


Step 1 : Download the CentOS 7 DVD image from the given link. Select any of the server link to download.


http://isoredirect.centos.org/centos/7/isos/x86_64/CentOS-7-x86_64-DVD-1511.iso


Step 2 : Open VirtualBox and Select New



Step 3 : Select RAM size



Step 4 : Create a virtual hard drive now




Step 5 : Select VDI or Virtual Disk Image



Step 6 : Select Dynamically Alocated



Step 7 : Select Hard disk size allocated to VM and Create




Step 8 : Right Click VM and go to settings >> Storage 





Step 9 : Add the image file you have downloaded




Step 10 : Now Please Do the network settings and Start the VM



Please let me know if you have any further issue regarding this.


Feel free to contact us in case you have any query. 

 

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