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Brave browser quietly slips a VPN service onto your Windows PC
(www.androidcentral.com)
This is a most excellent place for technology news and articles.
Simply the OS already makes that difficult, true. Nonetheless, it's one of your best bets.
For those who truly want to stay private, installing plugins on the Tor browser is obviously a no go. Changing any setting or even the window size should not be done. Seriously.
And I'd venture that Tor on phones might be the most homogenous, though that still isn't saying a lot, sadly. Plus, smartphones are a privacy nightmare regardless (tip of the iceberg).
In the end, fingerprinting makes true privacy very challenging. Great introduction to the topic.
And an advanced writeup with excellent resources for those who really want to get into the subject matter.
Edit: spelling