You can have the default Flutter version in your machine but still, preserve the dynamic switching. It allows you not to make any changes on how you currently use Flutter but benefit from faster switching and version caching.
To accomplish this FVM provides you a helper command to configure a global version.
Now you will be able to do the following.
After you run the command, FVM will check if the global version is configured in your environment path. If it is not it will provide you with the path that it needs to be configured.