Blurry Text Mesh Pro

Why is it that my text mesh pro is so blurry and why will my font not change? What do I do to solve this?

I think there’s a font size you strike for TMPro when you make the font asset for it. Make that value larger.

When entering play mode, and the game tab was too small, the TMP or common Canvas UI text were too blurry.
In my case, I increased the game tab size to max and the TMP text got normal