How do I check my laptop battery's health?

I tried googling it, I tried to run the cmd, but nothing is showing up as described in the websites I'm looking at!!!
If someone can walk me through it, that'll be really great!

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ScarletWitch · 26-30, F

Get a new computer

hiddenkitty · 26-30, F

I'm planning on getting a new laptop battery since that's a lot cheaper than a laptop. But a website said I can check my battery's lifespan to know for sure if my battery will die soon