Hello, I'm Greg, 10 years awarded Windows MVP, specializing in Installation, Performance, Troubleshooting and Activation, here to help you.
You didn't say if you want to change the System font or for a specific app like Word or outlook. Please clarify.
To change the System font see here:
https://www.tenforums.com/tutorials/67931-chang...
I hope this helps. Feel free to ask back any questions. Please report back results for all steps given so I know what else to suggest if necessary.
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