Okay here goes: Build log with photos.
First I assembled the major components (m/b, ram, PSU, GPU) outside of the case to test if it works.
This was my first ever build from scratch by myself, I watched on or two YouTube tutorials to make sure I didn't mess it up.
1. I put the motherboard on its box (not on it's static baggy as that is conductive) and opened the LGA1155 slot for the CPU by pulling on the lever
2. Installed the i5-3570K CPU and closed the bracket
3. Installed the RAM
4. Next the CPU cooler, first removed the fan from the heat sink
5. Unpacked all of the brackets and tools
6. Installed the back plate to the back of the m/b
7. Applied the thermal paste on the CPU (I think I used a little bit too much) and applied the "baggy technique" to spread it out
8. Thermal paste spread out
9. Installed the heat sink and screwed it in place
10. Then put the fan back on the heat sink making sure that it blows in the correct direction as indicated by the arrows on the fan
11. Plugged in the fan to the CPU fan header
12. Plugged in the PC speaker to hear the POST
13. Plugged in the GPU carefully as its heavy and there is no back play support
14. Plugged in the power from the PSU: the 24pin, the 8 pin and the two PCI-e to the CPU
Now it was ready to test. Plugged in the PSU to the wall and held my breath hoping not to see smoke and hear the POST. Pushed the swith and...........no POST (still don't know why - PC speaker not working?) but entered the UEFI BIOS and the only error was no boot disk as per the LED error code on the m/b. So everything was working properly now to build it into the case.