Filing Form I-485, Application to Register Permanent Residence or Adjust Status, is an important step for individuals seeking to become lawful permanent residents (green card holders) of the United States. Here are detailed instructions on how to file Form I-485: Note: These instructions are based on the information available up to September 2021. Always refer to the official USCIS website or consult legal counsel for the most up-to-date and accurate information. Step 1: Determine Eligibility Before filing Form I-485, make sure you are eligible to do so. Eligibility criteria include, but are not limited to, having an approved immigrant petition (such as Form I-130, I-140, I-360), having a visa number available, maintaining legal status in the U.S., and not being subject to certain bars or restrictions. Step 2: Gather Required Documents Collect all necessary supporting documents. The specific documents may vary depending on your individual circumstances, but generally, you will need to provide: Form I-485: Complete and sign Form I-485. Ensure all information is accurate and up-to-date. USCIS Filing Fee: Include the required filing fee with your application. Check the USCIS website for the most current fee information. Passport Photos: Include two passport-style photos of yourself as per USCIS specifications. Write your name and A-number (if applicable) on the back of each photo. Identity and Eligibility Documents: Include a copy of your birth certificate, passport, I-94 Arrival/Departure Record, and any previous visa-related documents. Form I-693 (Medical Examination): If required, include a completed and sealed Form I-693, Report of Medical Examination and Vaccination Record, conducted by a USCIS-approved civil surgeon. Affidavit of Support (Form I-864): If required, the petitioner (sponsor) needs to submit Form I-864 to demonstrate financial support for the applicant. Evidence of Eligibility: Include documentation to prove your eligibility for adjustment of status, such as approval notices for immigrant petitions or other relevant forms. Biometric Services Fee: If applicable, include the biometric services fee as specified by USCIS. Step 3: Complete Form I-485 Carefully fill out Form I-485. Provide accurate information and be sure to sign and date the form. Use black ink and write legibly. Step 4: Assemble Your Application Arrange the documents in the following order: Check or money order for the filing fee Form I-485 with supporting documentation Form I-693 (if required) Form I-864 (if required) Passport photos Step 5: Make Copies Make photocopies of the entire application package, including all forms and supporting documents, for your records. Step 6: Mail Your Application Mail your application to the appropriate USCIS Lockbox facility. The address can change, so visit the USCIS website for the most up-to-date address information. Use a trackable mail service to ensure delivery. Step 7: Await USCIS Notices After USCIS receives your application, they will send you a receipt notice. This notice will contain your case number, which you can use to track your case status online. USCIS may also send you appointment notices for biometric services (fingerprinting) and, if required, an interview notice. Step 8: Attend Biometric Services Appointment If scheduled, attend the biometric services appointment at the designated Application Support Center (ASC). Bring your appointment notice and a valid photo ID. Step 9: Attend USCIS Interview (if required) If USCIS schedules an interview, attend the interview with all requested documents. Be prepared to answer questions about your application and background. Step 10: Wait for a Decision After your interview (if applicable), USCIS will review your application and make a decision. You will receive a notice of the decision by mail. If approved, you will receive your green card shortly thereafter. If denied, you will receive a notice explaining the reason for the denial and any available options for appeal. Please note that the process can vary based on individual circumstances and USCIS policies. It's recommended to consult the USCIS website or seek legal advice if you have specific questions or concerns about filing Form I-485.