To apply for the Singapore Nursing Board (SNB) Exam, start by ensuring you meet the eligibility criteria, including holding a recognized nursing qualification and relevant clinical experience. Next, prepare all necessary documents such as your passport, academic transcripts, nursing license, verification forms, and employment records. Create an account on the SNB official website and complete the online application form. Upload all required documents and pay the non-refundable application fee. Once submitted, SNB will verify your credentials through their documentation process.