How to Install Mac OS X Without Admin Password

Installing Mac OS X without an admin password can be challenging, but there are a few workarounds you can try:

1. Boot into Recovery Mode by restarting your Mac and holding Command + R. Then, go to Utilities > Terminal and type 'resetpassword' to reset the admin password.
2. Use a second Mac to create a bootable USB installer for Mac OS X. You can then boot your Mac from this USB and install Mac OS X without needing an admin password.
3. If you have physical access to the Mac, you can remove the hard drive, connect it to another Mac as an external drive, and then install Mac OS X from there.

It's important to note that these methods may not work in all scenarios and should only be used if you have legitimate access to the Mac in question. It's always best to have the admin password to ensure the security and integrity of your system.