Documents needed are IC and payslip
Procedure are
1. Download option to purchase form OTP
2. If you need to get loan
If you intend to get an HDB housing loan, you will need a valid HDB Loan Eligibility (HLE) letter from HDB before the sellers can grant you an OTP. If you intend to get a housing loan from a financial institution, you must have a valid Letter of Offer (LO) before you exercise the OTP
If you need help my uncle can charge you a fee and even be your agent. Pm