1 Connect a USB flash drive to your computer. Use a free USB port to connect a USB flash drive to your computer. USB flash drive must have at least 4 gigabytes of disk space
2 Remove any personal files from the drive. Make sure there are no other files in the flash drive before copying the Windows ISO file.
3 Download windows 7 setup iso. An ISO file is raw data from a CD, DVD or Blu-ray drive. It is also known as a disk image. Note: Depending on your internet speed, this download may take some time.
A list of download links is available here.
If the website link does not work, click here to download the list of links.
4 Download and install Windows 7 USB / DVD download tool from this link. This tool will be used to copy Windows 7 ISO files to USB flash drive.
5 Install the Windows 7 USB / DVD download tool. After downloading, double-click on the “en-US.exe” file. Then click on install to install the program. Follow the on-screen instructions in the installation wizard.
6 Open the Windows 7 USB / DVD download tool. Once the Windows 7 USB / DVD download tool is finished downloading and installing, open the program from the Windows Start menu. [3]
7 Select the Windows 7 ISO file. On the Select ISO File screen of Windows 7 USB / DVD download tool, click Browse and then go to the save location of Windows 7 ISO file and click it to select it. Then click Next to continue.
8 Click USB device. It’s the blue button in the lower-right corner the “Choose Media type:” screen.
9 Select the USB flash drive and click Start Copy. Use the drop-down menu on the “Step 3 of 4” screen to select the USB drive you want to copy the ISO file to, and then click the green button called “Start Copying”.
If you get an error that says Not Enough Free Space, click the Erase USB Device button, which will erase all files on the drive. Be aware that it will erase all files on the flash drive.
10 Restart your computer. Press the power button on your computer and then click Restart in the power options menu.
1 1 Press Dell, Esc, F2, F10 or F9 immediately upon restarting. Depending on the make and model of your computer, press one of these buttons, the system will enter the BIOS when you power on your computer.
- Some computers tell you which button to press to enter the BIOS as the computer starts up.
12 Locate the boot options menu of your BIOS. The boot option of your BIOS may differ in location or name from the menu illustration, but if you search around, you can eventually find it.
- If you can’t find the boot options menu, search the name of your BIOS (most likely located in the BIOS menu) online for help
13 Choose “USB Drive” or “Removable Drive” as your computer’s first boot device. Although this method may vary between computers, the boot options menu is usually a menu of movable device names where you should set your USB drive as the first boot device. It can also be a list of devices that you can set the order of your boot. If you are stuck, consult a manual or the Internet for help.
14 Start your computer with a USB drive. Start your computer, with a USB drive connected to your computer via a free USB port. When the computer starts, press a key if you are asked if you want to boot from a USB drive by pressing any key. After you choose to start from a USB drive. Windows setup will start loading.
15 Choose your Windows bracket option. Once Windows Battering is loaded, you will be presented with a window. Use the drop-down menu to select your preferred language, keyboard type, and time / currency format, then click Next in the lower-right corner.

17 Accept the license terms. Read up on the Microsoft Software License Terms, and click the checkbox next to “I accept the license terms”. Then click next in the lower-right corner
18 Choose ‘Custom Installation’. This option allows you to do a clean installation of Windows 7. This will erase all your files on the installation drive.
If you do not want to erase all your files, choose Upgrade instead. This option requires an existing Windows installation.
19 Decide on which hard drive and partition you want to install Windows. A hard drive is a physical part of your computer that stores data, and partitions “partition” the hard drive into separate parts.
- If the hard drive has data on it, delete the data off of it, or format it Be aware that this will permanently erase all data from the disk.
- Select the hard drive from the list of hard drives.
- Click Drive options (advanced).
- Click Format from Drive options.
- If your computer doesn’t have any partitions yet, create one to install Windows on it.
- Select the hard drive from the list of hard drives.
- Click Drive options (advanced).
- Select New from Drive options.
Select the size, and click OK.
20 Install Windows on your favorite hard drive and partition. Once you have decided to install Windows, select it and click Next. Windows will start installing. Your computer may start and restart several times during the installation process.
21 Remove the USB drive. After Windows is finished installing, remove the USB drive.
22 Reboot your computer. After you have finished installing Windows 7 and have removed the USB drive, reboot your computer and allow it to boot up as normal.