If you switch network often, then your IP settings need to be updated. For novice users, this can be a difficult task. The task of changing your IP settings can be done with an application like Ultimate IP Changer.
Once you install and run the application, Ultimate IP Changer will automatically detect the network you are connecting to. Then, the necessary IP settings will be enabled. Ultimate IP Changer can switch your IP settings without you having to reboot your computer. This is one of its most convenient features.
Furthermore, Ultimate IP Changer has the ability to store all your previous IP profiles. Thus, when an old network is encountered, the already stored profile can already be loaded. Of all IP setting applications, Ultimate IP Changer is probably the one with the most advanced and reliable features.