Step 1: Identify a category that you are eligible to apply under. There are plenty, but you must do your research
Step 2: Follow instructions outlined by cic. ;D
There's no one standard process. But the few things that are common are: prove your work experience, complete medicals, show a good bank balance, complete your police clearances from your home country and other countries that you've lived in, fill application forms, complete your IELTS....