Hotkeys must be configured to save current profile state. Profiles can be created by filling hotbar with desired gear. Configuration requires manual editing through "Edit Profiles". Default hotkey is R+Y
Solo profiles cannot be modified after creation. Coop profiles can be created using /coop command. Adding players to coop islands is currently not possible
Default Minecraft launcher has one profile named after username. Managing version number helps preserve old worlds and test new features. Most multiplayer servers don't immediately update to latest version
Firefox stores user data in separate profile folder. Profile folder is located in AppData\Roaming\Mozilla\Firefox\Profiles\. Profile data remains intact even after Firefox program failure
Thunderbird automatically updates by default but manual updates are possible. Installation guides available for Windows, Linux, Mac OS, and Ubuntu. Custom installation options available for Windows
Chrome displays profile icon when signed in with Google accounts. Personal accounts end in @gmail.com, work accounts end in domain. Different icons can be assigned to each account