UV mapping on Blender

Below is the tutorial i study on youtube

To Summarize

1. Drag a second screen
2. On second screen, show UV editor
3. On first screen, press "A" to select all, then press "U" to unwrap your cube to the UV map
4. On second screen, press "A" to select all, press "R" to rotate, press "S" to scale
5. On second screen bottom, press UVs -> Export UV layout -> Export to your desktop cube01.png
6. Open cube01.png using your paint brush or gimp, put in color and number
7. On first screen, on top right , on the texture, type -> Image or Video, then open cube01.png
8. Under mapping -> coordinate -> choose UV
9. Render and see now it map perfectly on your cube
10.  On first screen, press "N" for property, under display -> Shading -> change to DLSL, then tick on the "TEXTURE SOLID" (make sure second screen you choose your cube01.png)
11. now you can see your pic on your cube without rendering