please send for me single license number to authorize arcgis pro 3.0.1
Suggest you contact Esri Support (or your local distributor).
https://www.esri.com/en-us/my-esri-login
As Luke suggested, you will want to reach out to your Esri sales person (or your local distributor) to purchase an ArcGIS Pro single-use license. You can learn more about Business and Individual costs here.
