This is a tiny tutorial for dual booting Debian 8.1 (Jessie) with Windows 8/8.1/10 in UEFI Mode.
Step1: Make some space for Debian 8.1 in Windows
Step2: Boot Debian installation disk in UEFI Mode. This method can also be used for Debian 8.6.0. Visit: to download the ISO
Step3: Make two partitions in the free space
Step4: Install Debian 8.1 in those partitions.
Step5: Boot into freshly installed Debian 8.1