Usually you will apply for your student visa in your own country. This will require you to visit an application center where you will submit your application paper work and provide any biometric information that is required.
You can get it from here.
1. Visa application centers
2. Other visa application can be submitted online and biometric information can be submitted at one of the visa application centers.
For a Student Visa you are required to attend an interview at the embassy or consulate.
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