Some computers tell you which button to press to enter the BIOS as the computer starts up.

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.

If you are not asked to boot from the disc, you may have done something wrong. Retry the previous steps and make sure you have selected the correct drive in the BIOS boot menu.

If you do not want to erase all your files, select Upgrade instead. This option requires an existing Windows installation. You can only upgrade from one Windows edition to another. For example, if you have Windows Vista Home Basic Edition, you can only upgrade to Windows 7 Home Basic Edition. You would not be able to upgrade to Windows 7 Home Premium.

If the hard drive has data on it, You’ll need to use the following steps to Delete or Format the drive. 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 Delete or 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.

In order to upgrade to Windows 7, you must upgrade to the same version of Windows you already have. For example, if you have Windows Vista Home Premium Edition, you can only upgrade to Windows 7 Home Premium Edition. You cannot upgrade from Windows Vista Home to Windows 7 Professional.

Back up your files. It’s a good idea to back up any files you want to keep in case there is a problem during the upgrade. You can back up for your files using another hard drive, an external hard drive, a flash drive, or a cloud service such as Google Drive or Dropbox. Scan your computer for malware. Malware can prevent Windows from installing correctly. Disable or uninstall any antivirus software because they may interfere with the Windows installation. Uninstall some unnecessary programs to speed up the upgrade. You can install them after Windows 7 has finished. Update Windows with Windows Update. Delete some unnecessary files to speed up the upgrade. Back up your hard drive in case the installation fails and you lose your files. (optional).

Alternatively, you can boot your computer from the disc as outlined in Method 1 and select Update from the installation screen.

If you are using a newer version of Windows, click Windows Explorer. It has an icon that resembles a folder with a blue clip. Then click This PC or your computer name.

A list of download links is available here. If the link to the website does not work, click here to download a list of the links.

A list of download links is available here. If the link to the website does not work, click here to download a list of the links.

If you receive an error that says Not Enough Free Space, click the Erase USB Device button, which will erase all of the files on the drive. Be aware that this will erase all files on the flash drive.

Some computers tell you which button to press to enter the BIOS as the computer starts up.

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.

If you do not want to erase all your files, select Upgrade instead. This option requires an existing Windows installation.

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.

Select the hard drive from the list of hard drives. Click Drive options (advanced). Click Format from Drive options.

Use recommended settings automatically sets update and security settings recommended by Microsoft. Install important updates only configures your computer only to install necessary updates. Ask me later disables your security until you have made a decision.

If the computer is connected to your own personal network, choose Home network. If you are connected to the network at your workplace, choose Work network. If you’re connected to a public network from places such as restaurants and shops,