You can download this for free and use it and remember to credit me  

In the zip folder I name some folder as add, overlay, multiply because you need to set them as that if there no name and just number just set them as normal layers the % is the opacity. 

if you don't understand you can comment down below and ask me about it 

https://drive.google.com/drive/folders/10chQfIus4MpuOCjJvZJ2qupjvdxvrUe_?usp=sharing