[caption id="attachment_9" align="alignnone" width="614" caption="SCREEN SHOT OF ORACLE VIRTUAL BOX"][/caption]

this is the first screen you get after opening oracle virtual box...the first thing you do is to click into new to create a new virtual machine.

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a new window of create new machine pops out , click on it..a new window will open

[caption id="attachment_11" align="alignnone" width="614" caption="vm name and os type"][/caption]

this window will ask for the name of virtual machine and the type of os..here in my case the os is fedora which is a linux distribution.after you are done dere a new window pops out.

[caption id="attachment_12" align="alignnone" width="614" caption="ram memory allocation"][/caption]

This step is very crucial, here you allot the ram of the virtual machine you are creating , its just like the ram of your computer.you can go till the maximum line till the green is there.minimum ram should be 512mb for it to work properly.

[caption id="attachment_13" align="alignnone" width="614" caption="create new hard disk window"][/caption]

this windows lets you create a new hard disk..the minimum memory of the new VM is 10 gb. click on it and proceed.

[caption id="attachment_14" align="alignnone" width="614" caption="create new virtual hard disk wizard"][/caption]

here comes a create new virtual hard disk wizard window.click on next.

[caption id="attachment_16" align="alignnone" width="614" caption="final step"][/caption]

In this next step the hard disk storage type is being asked , you need to select dynamically expanding storage for better performance.

[caption id="attachment_15" align="alignnone" width="614" caption="hard disk storage type"][/caption]

Then click on the VM you just created to set the ISO image of the OS you want to install.

[caption id="attachment_18" align="alignnone" width="614" caption="click on the virtual machine you created just now"][/caption]

[caption id="attachment_19" align="alignnone" width="614" caption="the first run wizard"][/caption]

Select the ISO image by clicking on the folder icon. And then click on the add button on the top left of the window to select the ISO image of  OS

[caption id="attachment_20" align="alignnone" width="614" caption="choose the iso image of the OS"]

finally click on the next button to finish the job to creating a VM or VIRTUAL MACHINE.

[caption id="attachment_24" align="alignnone" width="614" caption="the last step of creating a virtual machine"][/caption]

now click on the VM and you are ready to go and enjoy the new OS you just now installed.

[caption id="attachment_25" align="alignnone" width="614" caption="click on the newly created VM and start working on this new OS"][/caption]

THE ORACLE VIRTUAL BOX CAN BE DOWNLOADED FROM THIS LINK  #mce_temp_url#

Any doubts regarding the post should be addressed in the comments.