Make sure that you do this on the computer on which you’re going to install Windows.

Flash drives are fairly cheap; you can get a 16-gigabyte flash drive—twice times the space you need—for less than $10.

Formatting your flash drive will erase everything on it.

Formatting your flash drive will erase everything on it.

Formatting your flash drive will erase everything on it.

Formatting your flash drive will erase everything on it.

As part of the installation tool, you’ll be prompted to select a language, an edition of Windows, and an architecture for the setup process. Make sure to use the same architecture here as you found in step two of this part.

As part of the installation tool, you’ll be prompted to select a language, an edition of Windows, and an architecture for the setup process. Make sure to use the same architecture here as you found in step two of this part.

Make sure that you do this on the computer on which you’re going to install Windows.

Flash drives are fairly cheap; you can get a 16-gigabyte flash drive—four times the space you need—for less than $10.

Formatting your flash drive will erase everything on it.

Formatting your flash drive will erase everything on it.

Formatting your flash drive will erase everything on it.

Formatting your flash drive will erase everything on it.

If the computer is off, press its power button to turn it on, then move to the next step. If the computer turns on when you open its lid or move the mouse, you’ll still need to restart it before proceeding.

If the computer is off, press its power button to turn it on, then move to the next step. If the computer turns on when you open its lid or move the mouse, you’ll still need to restart it before proceeding.

If the computer is off, press its power button to turn it on, then move to the next step. If the computer turns on when you open its lid or move the mouse, you’ll still need to restart it before proceeding.

If the computer is off, press its power button to turn it on, then move to the next step. If the computer turns on when you open its lid or move the mouse, you’ll still need to restart it before proceeding.

You can check your computer’s BIOS key online or in the manual that came with your computer. Many computers will flash a “Press [key] to enter setup” (or similar) message at the bottom of the screen as your computer is starting up. This is the key that you should press. If you miss your opportunity and the computer finishes the restart cycle, you’ll need to restart it and try again.

On some computers, you’ll instead select Removable Storage or Removable Drives (or something similarly titled).

You may have to press another key to confirm this decision.

You may also be prompted to select keyboard settings here. On Windows 7, you’ll check the “I agree” box here instead, then skip ahead to the “Select a partition” step.

On Windows 10, you must first click Install now. You can also skip the product key entry for now by clicking the Skip option. On Windows 7, you won’t be asked for your product key until after the installation is complete.

On Windows 10, you must first click Install now. You can also skip the product key entry for now by clicking the Skip option. On Windows 7, you won’t be asked for your product key until after the installation is complete.

On Windows 7, you’ll select the partition that you want to use, click Delete, confirm the decision when prompted, click the empty hard drive, and click Next to begin the installation process.

On Windows 7, you’ll select the partition that you want to use, click Delete, confirm the decision when prompted, click the empty hard drive, and click Next to begin the installation process.

On Windows 7, you’ll be asked to enter your product key here.