Installing Windows 7 from USB is not really supported.
Your best options seem to be:
1. Install from DVD (you can burn one after downloading the .iso from microsoft.com). Downloading is free, but the license key isn't.
2. Install Windows 10. The Media Creation tool lets you choose to make a bootable install disk or stick. Of course, you need a license key also.
Didn't the PC come with an OS? Most new PC's do.
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I have recently bought a new PC. It has rather good specifications with an Nvidia Gefore 1060 3gb card, 8 GB RAM, 1 TB HDD. This is all fine, however there is an issue whenever I wish to install a Windows 7 OS. I have tried several different types of Windows 7 installing them from a memory stick booted in the BIOS system. Every time it loads the Windows sign, it freezes in the "language" bar. Any idea why is the PC doing this?

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