i found detailed information here
I will use windowsXP BECAUSE OF HIREN BOOT CD miniwindows !
DOES IT WORK IN THIS WAY ???
Microsoft Windows
Requirement’s:
Required hardware: USB Memory Stick, minimum size 2 GB
Required software: Rufus (Selected to be used in this example)
Rufus is a utility that helps format and create bootable USB flash drives, such as USB keys/pendrives, memory sticks, etc.
Download latest version of Rufus from:
https://rufus.akeo.ie
Save the Rufus utility executable file in a folder or on the desktop of your computer.
N.B. No installation is necessary!
Download the FreeBSD image file
Click on
https://download.freebsd.org/ftp/releases/ISO-IMAGES/11.1/FreeBSD-11.1-RELEASE-amd64-memstick.img to download image file
FreeBSD-11.1-RELEASE-amd64-memstick.img.
Copy the FreeBSD image file to the USB Memory Stick
Insert the USB Memory Stick to a USB Port on the Windows Computer.
Locate and double-click the Rufus Utility executable file to start the Rufus utility.
Verify that the inserted USB Memory Stick has been detected and selected in the Rufus dialog window.
Click on the CD drive icon and select the
FreeBSD-11.1-RELEASE-amd64-memstick.img image file.
WARNING: The next step will delete all information on the USB Memory Stick!
Click button
Start and wait for the process to be compleated.
Delete the
FreeBSD-11.1-RELEASE-amd64-memstick.img file in Your Download folder.
Disconnect the USB Memory Stick.
FreeBSD