Official permission or certification to perform a certain activity or occupation; often refers to documents like a driver's license.
運転免許を取るために教習所に通った。
I attended a driving school to get a driver's license.
この仕事には専門の免許が必要ですか？
Does this job require a professional license?
免許の更新を忘れないでください。
Don't forget to renew your license.