You mentioned in the comments it runs windows 7 - which is already out of date, and risky to go online with. Also, windows and mac OS are less customizible.
**customization = Linux**
It's seriously worth considering, especially if the hardware is from the last 5 years or so (Lubuntu, Xubuntu, Peppermint - all user friendly to windows newcomers). It is free OS and it's safer to go online with (not out of date, Linux doesn't require antivirus). Here is a good tutorial on how do make a bootable flash drive with Linux:
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