Installing Windows 7 on a system that already has Windows 10

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SummGuy

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If I've got a win-10 system and I want to install win-7 from a bootable thumb drive, will the win-7 installation process correctly configure the (single) hard drive for dual-boot and preserve the existing win-10 setup? Would I have to create a new partition on the existing hard drive first to do this (and can that be done from win-10)?

(there doesn't seem to be a lot available on the internet regarding this question - mostly searches end up
being about discussions regarding installing windows 10 over-top or in place of windows 7. What I have seen is that if I free up some space on the exiting drive to create a new partition, then I can install win-7 on it but might have to mess with the MBR to get the pc to show a boot-menu, so I'm asking here if for sure that will happen or is there a way to avoid that.)
 

My Computer My Computer

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Windows 98 32-bit
Computer type
PC/Desktop
OS
Windows 98 32-bit
You always install the old system first as if you do it second it won't understand the boot scheme. A lot depends on your disk type is it mbr gpt uefi? The simple way is to run seven as a virtual PC. Installing seven last will destroy tens boot depending on disk system. It would be a wise move to create a disk image before doing anything so you can role back
 

My Computer My Computer

At a glance

win 8 32 bit
Computer type
PC/Desktop
OS
win 8 32 bit
You didn't give us the hardware specs of the new computer so it is hard to us to give specific help.
- On BIOS you must disable Secure Boot.
- Under Win 10, open disk management and shrink the C: partition till you have an unallocated partition of 85G. See if the disk has a Efi partition (it will probably do).
- During POST, launch the boot menu. It will give a option to boot win 10 and two options to boot the win 7 installation USB drive: Legacy and UEFI. Choose UEFI, go to install and choose the unallocated partition you created and proceed.
As it is on same drive, the Windows boot loader will have two options win 10 and Win 7.
For the updates MS releases SP2 for Windows 7 - Windows 7 Help Forums
 

My Computers My Computers

System One System Two

  • At a glance

    Windows 7 HP 64i5 6600K - 800MHz to 4200MHz4+4G GSkill DDR4 3000IG - Intel 530
    Computer type
    PC/Desktop
    Computer Manufacturer/Model Number
    custom build
    OS
    Windows 7 HP 64
    CPU
    i5 6600K - 800MHz to 4200MHz
    Motherboard
    GA-Z170-HD3P
    Memory
    4+4G GSkill DDR4 3000
    Graphics Card(s)
    IG - Intel 530
    Monitor(s) Displays
    Samsung 226BW
    Screen Resolution
    1680x1050
    Hard Drives
    (1) -1 SM951 – 128GB M.2 AHCI PCIe SSD drive for Windows 7 and Lubuntu
    (2) -1 WD SATA 3 - 1T for Data
    (3) -1 WD SATA 3 - 1T for backup
    PSU
    Thermaltake 450W TR2 gold
    Keyboard
    Old and good Chicony mechanical keyboard
    Mouse
    Logitech mX performance - 9 buttons (had to disable some)
    Internet Speed
    500Mb/s
    Browser
    Firefox 64
    Other Info
    TinyWall firewall

  • At a glance

    Windows 7 Proi7-4500U 800MHz to 3.0GHz(4+4)G DDR3 1600IG intel 4400 + NVIDIA GeForce GT 745M
    Computer type
    Laptop
    System Manufacturer/Model Number
    Asus Q550LF
    OS
    Windows 7 Pro
    CPU
    i7-4500U 800MHz to 3.0GHz
    Motherboard
    Asus Q550LF
    Memory
    (4+4)G DDR3 1600
    Graphics Card(s)
    IG intel 4400 + NVIDIA GeForce GT 745M
    Sound Card
    Realtek
    Monitor(s) Displays
    LG Display LP156WF4-SPH1
    Screen Resolution
    1920 x 1080
    Hard Drives
    BX500 120G SSD for Windows and programs +
    1T HDD for data
    Internet Speed
    500 Mb/s
    Browser
    Firefox
    Other Info
    TinyWall firewall
After instal win 7 64 bit, win 10 can not boot correctly, it's only win 10 logo appear
 

My Computer My Computer

At a glance

window 7
Computer type
PC/Desktop
OS
window 7

My Computer My Computer

At a glance

W7 home premium 32bit/W7HP 64bit/w10 tp insid...E5300 dual core3gbNvidia Geforce 7100 Nforce 630i
Computer type
PC/Desktop
Computer Manufacturer/Model Number
medionl/Aspire 6930G/acer x55a
OS
W7 home premium 32bit/W7HP 64bit/w10 tp insider ring
CPU
E5300 dual core
Motherboard
medion MS7366
Memory
3gb
Graphics Card(s)
Nvidia Geforce 7100 Nforce 630i
Monitor(s) Displays
avixc
Internet Speed
n (isp resticted to 72)
Antivirus
mse/pands
Browser
palemoon
Other Info
Belkin Fd7050 n USB using Railink RT2870 drivers, more upto date
greate

Greate! all done. Tks for your recommend
 

My Computer My Computer

At a glance

window 7
Computer type
PC/Desktop
OS
window 7
Good job. Please mark this thread as solved.
 

My Computers My Computers

System One System Two

  • At a glance

    Windows 7 HP 64i5 6600K - 800MHz to 4200MHz4+4G GSkill DDR4 3000IG - Intel 530
    Computer type
    PC/Desktop
    Computer Manufacturer/Model Number
    custom build
    OS
    Windows 7 HP 64
    CPU
    i5 6600K - 800MHz to 4200MHz
    Motherboard
    GA-Z170-HD3P
    Memory
    4+4G GSkill DDR4 3000
    Graphics Card(s)
    IG - Intel 530
    Monitor(s) Displays
    Samsung 226BW
    Screen Resolution
    1680x1050
    Hard Drives
    (1) -1 SM951 – 128GB M.2 AHCI PCIe SSD drive for Windows 7 and Lubuntu
    (2) -1 WD SATA 3 - 1T for Data
    (3) -1 WD SATA 3 - 1T for backup
    PSU
    Thermaltake 450W TR2 gold
    Keyboard
    Old and good Chicony mechanical keyboard
    Mouse
    Logitech mX performance - 9 buttons (had to disable some)
    Internet Speed
    500Mb/s
    Browser
    Firefox 64
    Other Info
    TinyWall firewall

  • At a glance

    Windows 7 Proi7-4500U 800MHz to 3.0GHz(4+4)G DDR3 1600IG intel 4400 + NVIDIA GeForce GT 745M
    Computer type
    Laptop
    System Manufacturer/Model Number
    Asus Q550LF
    OS
    Windows 7 Pro
    CPU
    i7-4500U 800MHz to 3.0GHz
    Motherboard
    Asus Q550LF
    Memory
    (4+4)G DDR3 1600
    Graphics Card(s)
    IG intel 4400 + NVIDIA GeForce GT 745M
    Sound Card
    Realtek
    Monitor(s) Displays
    LG Display LP156WF4-SPH1
    Screen Resolution
    1920 x 1080
    Hard Drives
    BX500 120G SSD for Windows and programs +
    1T HDD for data
    Internet Speed
    500 Mb/s
    Browser
    Firefox
    Other Info
    TinyWall firewall
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