How to raise my credit score?

Here is my situation:
-Last time I checked the Experion official website (approx. 2 weeks ago), I had a poor credit score of about 560
-I currently have no debt, don't owe anything to any credit cards, mortgage, car loan, or any creditors
-I have a regular credit card from Chase bank that is active with a $2000 limit that I do NOT owe anything on ($0 balance)

With all this said, what should I do moving forward to raise my credit score?

Thank you.

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