Applying for a Pag-IBIG housing loan involves several key steps. First, ensure you are a member of Pag-IBIG and have made the necessary contributions. Next, prepare required documents such as proof of income, identification, and other pertinent information. After that, submit your application along with the documents to the nearest Pag-IBIG office or through their online portal. It's also advisable to consult the Pag-IBIG official website or contact their customer service for detailed guidance, as they can provide specific information based on your situation.