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Hi :)
I  believe that VirtualBox does also allow you to use an existing Operating
System that is already installed on a hard-drive too.

It's something i still haven't looked into but i have confidence in you
figuring it out.  I still think it might help to test-drive a couple of
virtual machines on your system just to get an idea of what's going on.

There is a lot of fuss&bother that makes virtual machines sound almost
mystical and complicated but in truth it's really just like any other
program.  When you run it or switch it on then it uses resources such as
cpu-cycles and ram. When you switch it off or stop running it (or whatever
you want to call it) then hose resources are "freed up" for you main
machine again.

Unlike most programs you can set how much ram the virtual-machine uses and
the program itself uses a little bit for itself.  So on  my machine i can
run 1 virtual machine and give it just over 1 Gb Ram leaving my main
machine with just under 1Gb of Ram - or i can run 2 virtual machines and
give them each 512Mb of Ram, or other such combination.  I can't run 2
virtual machines that each have 1 Gb Ram at the same time as each other!  I
could have lots of virtual machines, even hundreds of them, that each use
1Gb of Ram as long as i don't run (or switch on) more than 1 at a time.

People like to make virtualisation sound a LOT more complicated than it
really is because it makes them seem smarter or because they don't
understand it well enough it make it sound as simple as it really is.

The tricky bit i trying to figure out how to use the program and VirtualBox
tends to keep things fairly simple imo.

Regards from
Tom :)

On 7 December 2016 at 16:29, Philip Jackson <>

On 07/12/16 15:42, Davis, Felmon wrote:
On Dec 7, 2016 8:23 AM, "Philip Jackson" <>

Would virtualbox (or other) be able to get Windows running on its own
hard disk ? It doesn't have an iso file - just a working version
(licensed) of Windows10.

I made an error - a link I sent yesterday I thought addressed this but it
wasn't about hosting the Windows stuff under Linux. I will be researching
this too.

did though install again via licensed (but unactivated) Windows iso and
smooth as ice (note: removed repository VB and downloaded Oracle's VB).

Tom and Felmon,

I don't have a Windows10 installation disk nor an iso file. My Windows
was originally Windows7 (legit and I must have the Win7 installation
lurking around somewhere) and I took the free upgrade from MS sometime
last year.

So, if I understand correctly, if I install VB I will then need to
install Windows7 in that virtual machine using the original CD/DVD
disk(s) ? That's where the question of new installation and licensing
comes in, I suppose.

It would be nice if I could just create a VB machine and tell it to load
the hard disk which already has the workable installation of Windows 10,
together with the couple of applications I use from time to time.

By the way, Felmon, why did you reject the distro version of VB and make
a direct download from Oracle ?

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