The great thing about Linux is the many options you get: if you don't like one interface, try another. I'm not sure what you mean with "breaking font" though.
How do I explain it!!!
You know, like the opposite of smooth. Like edgy, or sharp. Quote
Cracked drivers? The things Windows users do 
No worries. This time, I didn't used any single crack. Lesson learned.
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Why would you test all that on the same device? Get one system for serious tasks, and another one to mess around with.
Two actually. Mostly I mess with my Android device. Like flashing custom OS or Magisk (Root access) etc.
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AFAIK, Windoes does have a similar feature as TailsOS.
Found it. Not quite sure if it's the same as TailsOS. But it does offers similar features as TailsOS. Such as, an isolated one time windows environment. And when the session is closed, everything is erased. Quote
No, it does not.
https://learn.microsoft.com/en-us/windows/security/application-security/application-isolation/windows-sandbox/windows-sandbox-overview
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I guess it depends on where you live though: here, corporate laptops are replaced every few years, which makes them cheap and abundant on the second hand market.
Where I live it's a different story. -DYING_S0UL