VirtualBox itself is open-source software for virtualizing.
The program allows you to use your PCs storage to create a virtual environment for other operating systems.
Since VirtualBox is open-source software, its completely free to use.

Lets say you want to use Windows XP on your VirtualBox.
To do so, you must create a virtual machine that can run Windows XP effortlessly.
Download & Install VirtualBox on PC
The first step is downloading and installing VirtualBox on a PC.

Heres how tocreate virtual machines with VirtualBoxin Windows.
Important: We will use a Windows XP ISO file to demonstrate creating a virtual machine.
You must follow the same steps for other ISO files you want to install on a virtual machine.

First of all, download and install VirtualBox on your setup.
When the app installs, open it from theStart Menuor the desktop shortcut.
Upon opening the program for the first time, you will see a screen like the one below.

On the top bar, choose theMachine.
SelectNewfrom the list of options that appear.
Now, you will see theCreate Virtual MachinePrompt.

7.Assign a nameto your virtual machine, andselect the folderwhere you want to store your files.
On the ISO Image, poke the drop-down and select Other.
Next,opt for ISO fileof the operating system you want to install.

Next, check theSkip unattended installationoption and clickNext.
Important:Base Memory should be more than what the operating system requires.
Things will go well if you allocate recommended hardware requirements for the OS.

On the Virtual Hard Disk prompt, select theCreate a Virtual Hard Disk Nowoption and allocate the Disk Size.
Once youve done this, click theNextbutton.
Confirm all your selections on theSummaryand click theFinishbutton.

The virtual machine will be created.
you might now run it by clicking theStartbutton.
you might edit the virtual machines you have created in easy steps without deleting them.

- opt for virtual machine you want to edit on the right side.
Once selected, select theSettingsicon at the top.
You will find various options to edit.

For example, if you want to increase the RAM of your virtual machine, switch to theSystemtab.
Next, adjust the Base Memory, Processor, etc.
After making the changes, hit theOkbutton.

Similarly, you could adjust the Display, Storage, data pipe, and many other things.
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