Hi, I'm a brazilian student and I'm 17 years old. I'd like to know if I can buy the Lightroom student version.
You will need to ask whereyou are beased what the requirements are there. Use Adobe.com and select your country to find your local contact numbers.
Here is one page for the qualifications: http://www.adobe.com/br/education/eligibility-guide.html
Europe, Middle East and Africa