Can someone please give me a detailed guide of how to install elementary os freya 64bit to dual boot alongside a preinstalled win8.1? I have a sony vaio TSeries laptop. I heard there are many issues with dual boot so I guess I need a detailed course of how to do this. Thanks!
This is a great tutorial that I believe works with elementary too.
I recommend following this answer on askubuntu on creating disk partitions for your installation.
You might want to use the
Windows Partitioning Tool withing Windows to shrink the Windows partition though, so you avoid potentially corrupting your Windows installation.
Here is a tutorial.
If you encounter any problems, install Boot-Repair on elementary livecd or press "try elementary" version.