Solved Software to make a usb drive able to install an OS

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I know what software to install but i'm looking for a safe site to download it from. Any suggestions?

@Gerald-Taylor,

If you're trying to install Windows from USB. You must make a USB bootable by using DISKPART and making it bootable

If you're trying to install something like a Linux Distro, you may want to try UNetbootin.

So like what would be the process. Like we have the disk to download the OS but i have an Optiplex 7040 compact and it doesnt come with an optical drive so my Dad wants me to use a usb as the medium in which i make the installation so like how would i transfer the software to a usb drive and then use that usb drive to make the install

@Gerald-Taylor,

1. Insert a USB flash drive into usb port on a Windows PC
2. Open a Command Prompt window as an administrator>Type diskpart
3. At the command prompt, type list disk, and hit ENTER. The list disk command displays all the disks on the computer. IMPORTANT: Note the drive number or drive letter of the USB thumb drive.
4. Type select disk <X> (where X is the drive number or drive letter of the USB drive, and then press ENTER.
5. Type clean, and hitENTER. (This command deletes all data from the USB flash drive.)
6. Type create partition primary, and then hit ENTER.
7. Type select part 1, and then press ENTER.
8. Type format fs=ntfs quick, and then hit ENTER.
9. Type active, and hit ENTER.
10. Type exit, and press ENTER.
11. Save all the files of your OS to the root of the USB flash drive, not within a folder.

Make sure your destination computer can boot from a USB drive.
insert the usb drive in that computer
Reboot.

postscript: if your computer does UEFI that you want to install the OS, you may want to format (step as FAT32 instead