The H4 Visa EAD application process is similar to that of applying for a regular EAD. To apply for H4 EAD, the applicant must file Form I-765, Application for Employment Authorization. The process of how to apply for H4 EAD consists of the following steps.Complete Form I-765, including the $410 filing fee.Submit supporting evidence, including evidence of:H4 status, shown by copy of most recent Form I-797 and Form I-94Government issued ID with photo, shown by copy of biometric page of passport; birth certificate with photo; visa issued by foreign consulate; or national ID with photoRelationship to H1B nonimmigrant, shown by copy of marriage certificateBasis for eligibility, shown by copy of H1B nonimmigrant's Form I-797 approval notice for Form I-140; or copy of H1B nonimmigrant's passports, prior Forms I-94, and current prior Forms I-797 for Form I-129You must wait for approval of your Form I-765 application before you may begin working in the US on H4 visa EAD. Once your From I-765 is approved, you are authorized to work through the expiration date specified on your EAD. You can file Form I-765 for a renewal EAD up to 120 days before the expiration date of your current EAD.Hope this helps, Good Luck!