Is there a way I can create more than 4 primary partitions so I can install multiple OS(s)?

Hello experts,

Is there a way I can create more than 4 primary partitions so I can install multiple OS(s)? Any programs that can bypass the limitation of 4?

Thank you,
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FOXActive Directory/Exchange EngineerCommented:
Are you talking about different flavors of windows?

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JohnBusiness Consultant (Owner)Commented:
I have about 9 machines on my Windows 10 host.

Why bother with partitions for this task. Get VMware Workstation V12 and build as many machines as you wish. Much better way to go.
FOXActive Directory/Exchange EngineerCommented:
That was my next comment to him, dropping windows 8.1 on the box, loaded up with ram and Kick off Hyper-v which comes with 8.1 and start firing up machines.  I am not sure if he is referring to all windows machines though.
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JohnBusiness Consultant (Owner)Commented:
VMware Workstation is more flexible overall than Hyper-V  and allows operating systems not supported by Hyper-V
FOXActive Directory/Exchange EngineerCommented: it pricey?
JohnBusiness Consultant (Owner)Commented:
VMware Workstation is reasonably priced and quite low on a dollars per pound basis. I have been using it since Version 1 in the late '90s
Dan CraciunIT ConsultantCommented:
If your budget does is low*, use VirtualBox:
It's very easy to setup and you can pretty much install any guest OS on it.

* that does not mean VirtualBox is an inferior product. It's just free...

If you convert disk from MBR disk to GPT disk you can have up to 128 primary partitions.
Convert disk from MBR to GPT.
But Windows OSs before Windows 8 don's support booting from GUID partitions (older Linuxes too) , so that can be a problem.
Wiki - supported OSs etc
or use Bootit bare metal 

it let's you make up to 128 separate partitions
noxchoGlobal Support CoordinatorCommented:
What OS are you running now? Is this UEFI compatible hardware?
You can install the new OS into VHD drive and store that drive on one of the available 4 partitions.
Good guide here:
If your OS's aren't all windows, you don't need primary partitions for them. Linux just needs the boot loader's boot code on a primary partition, the OS can be on a logical partition. Some Windows OS's you can boot from a VHD file (for example Windows 7 Pro and above, Windows 8.x Pro and above, Windows 10 Pro and above, the Server OS's 2008 and later), and those VHD files can be located on a logical partition of your disk. Using VHD files makes a lot of sense in my point of view, it saves disk space. It is also easy to backup, just copy the file.

Otherwise, as was mentioned, you would need an UEFI BIOS and a GPT disk, then you can have many primary partitions. But you are then also limited to 64 bit Windows OS's.
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