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Good day! I am Independent Advisor Paul R. and also a Microsoft/Windows user like you and I am glad to be able to provide assistance to you today. I understand that you are looking to check if you will be able to save your connection to the hotspot to a single instance.
If you are using a hotspot and you are going from one place to another then the IP address will change accordingly as the routers that your device is connecting to is the one assigning an IP address to and therefore your IP address will change from time to time or every time you reconnect from every open hotspots.
Regards,
Paul R.