Four Ways To Convert Colour To Monochrome

The first way you can make your picture black n white is to click Image, scoll to mode and then to grayscale then click okay.

The second way that you can make a photo black and white is to click on image then scoll to adjustments and then click on desaturate.

The third way that you can make your photo black and white is to click on image then go to adjustments, then click channel mixer. after that u change the colours percentages: red 80%, green 20% and blue 0%.

For the fourth way to make your photo black and white, click on image then go to adjustments then scoll down to hue/saturation and change the level off - hue, satuation and lightless untill you are happy with the final outcome.