Installation on Existing System
It is very easy to install the bootmanager BootStar on an existing system: Simply start the program. You will be asked whether you would like to install the bootmanager. Answer with "Yes."
Then you will be asked to build an emergency disk for safeguarding purposes. You should seriously consider doing so, because otherwise you cannot restore your system 100% if any problems should occur.
After the installation is complete, the bootprofile table will appear. Here you will now need to configure your boot settings: