While using a "free, Google patched" OS sounds convenient, the reality is terrifying for any modern security standard.
If you are looking for a more secure, modern approach to Windows XP, consider looking for official Microsoft XP SP3 ISOs that are not "patched" or "pre-activated," and apply patches manually. How to Install While using a "free, Google patched" OS sounds
That being said, here's a general guide to help you with the setup: While using a "free