Additionally, you can open Console, and check the install.log, which you will find under /var/log > install.log and see if there's any errors that show when you're trying to run the installer.
Also, you can always try downloading a new copy of the installer - and make sure you're logged in with an account that has admin privileges.
Additionally, you can open Console, and check the install.log, which you will find under /var/log > install.log and see if there's any errors that show when you're trying to run the installer.
Also, you can always try downloading a new copy of the installer - and make sure you're logged in with an account that has admin privileges.