Installing a new hard drive

I am installing a new hard drive in a PC which has had a failed hard drive. I would be most grateful if i could be shown how to install windows 10 pro onto a brand new hard drive. i have a bootable usb flash drive for windows together with a product key for win 10 pro.

i am not clear as to if i need to format the new hard drive for example.

Thank you.
Tony LeatherAsked:
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Zaheer IqbalTechnical Assurance & ImplementationCommented:

Did the computer already have windows 10 installed prior to drive failure ?
Are you installing a SSD drive ?
You may need to update your BIOS for your motherboard.
Are you using a branded machine ie HP or Dell. ?
JohnBusiness Consultant (Owner)Commented:
If Windows 10 was running previously on this machine,  then you can install Windows 10 on a new hard drive and it will be licensed.

Install the hard drive, boot from the Windows 10 USB and install.

If there is a driver issue (can be) you may need to get the recovery media from the computer manufacturer.  

You could have made this from the prior system but most people do not.
Boot the setup stick (can you do that?), if only one partition is enough, simply select the whole drive (which is the default) and have it installed. No caveats.
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As others pointed put, having a bootable USB install media,.
Install the drive, removing the failed.
Insert the USB, during bootup, depending on your system, you need to get the boot manager, escape in some others have F10, etc. the alternative is to configure the bios boot order to have USB at a higher priority than the harddrive.
This when when you reboot and the USB is plugged in, the system will boot using the data on the USB,
As McKnife pointed out, if your setup is straight forward, select the drive onto which the installer will do its thing partitioning and ........
When neede it will reboot several times.

The reason people asked whether Windows 10 ran on the system or new, deals with whether you would or would not need to provide the product key you mentioned you have. Distinction if this is an upgrade code, skip the product key entry prompt during the initial bootup, install process.

As John and others pointed out, Windows 10 licensing is managed/recorded on ms servers.

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Tony LeatherAuthor Commented:
Thank you all. i am going to give this a try over the weekend . In response to Zaheer Iqbal i am not installing a SSD drive and it is an HP Notebook
you may have to disable secure boot, in order to be able to boot from the usb stick -  and put the stick first in boot priority
do you have a bios key for changing boot priority?  usually F12 key
Tony LeatherAuthor Commented:
hi all the above comments are helpful and relevant. how do i reward all the experts?
select first a best answer + all that helped
then click on the bottom "next"
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