Installing Windows Vista on a HDD contains Windows 10

mstfvstx64

New Member
My default OS is Windows 10 but i miss using Windows Vista so i want to install Vista in same HDD on a different partition. Is it possible ?

I have 500 GB HDD and divided in 2 parts 350 + 150 gb. I want to install Vista on 150 gb part.

Which steps should i follow. Create Vista installion usb and go ?

What about boot ?

Can you help me please :(

Sorry for my english by the way :)
 

My Computer

Supposedly you can boot 64 bit Vista or Windows 7 from a GPT disk on a UEFI system(which is what Windows 10 uses) but I have never done it. It may be easier to have a HD tray quick release where you slide the HD out like a drawer and slide the other one in. Then change the boot type to MBR/legacy or UEFI. Again I haven't done it but maybe somebody else has. Also I would ask on Windows 10 Forums since it has much higher traffic than here.
 

My Computer

System One

  • Manufacturer/Model
    HP Pavilion m9515y
    CPU
    Phenom X4 9850
    Memory
    8 GB
    Graphics Card(s)
    Some Radeon Cheapie with 512 MB Ram
    Monitor(s) Displays
    CRT
    Screen Resolution
    1280x1024
    Hard Drives
    750 GB SATA 3G
    2 SIIG Superspeed docks w/WD Caviar Black Sata II or III
Thanks bro i am now installing vista but teh problem is i deleted system reserved prt during installion. Now how can i dual boot vista and 10. Start pc with windows 10 usb and repair start up ? Can you help please :(
 

My Computer

The system needs to boot using UEFI to boot both from the same HD. I have never done it so I have no experience to share. I am sure somebody on Windows 10 Forums is multi-booting W10 with older OS.
 

My Computer

System One

  • Manufacturer/Model
    HP Pavilion m9515y
    CPU
    Phenom X4 9850
    Memory
    8 GB
    Graphics Card(s)
    Some Radeon Cheapie with 512 MB Ram
    Monitor(s) Displays
    CRT
    Screen Resolution
    1280x1024
    Hard Drives
    750 GB SATA 3G
    2 SIIG Superspeed docks w/WD Caviar Black Sata II or III
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