To learn about opportunities to pursue a Masters or PhD in Sweden, please go to Universityadmission.se. This link contains information for universities in Sweden.
You can also look at the specific websites of Swedish universities to learn more about their admissions requirements and fields of study.
Please note that the Swedish Institute offers limited scholarships that must be applied for at the same time as your application to the university – both must be applied for separately. You can learn more about Swedish Institute Scholarships here.