To renew a passport, the process depends on your country of citizenship, but generally involves the following steps:

For U.S. Passport Renewal

Eligibility to Renew by Mail or Online:

• Your most recent passport was issued when you were 16 or older.
• It was issued within the last 15 years.
• It is undamaged and in your possession.
• If renewing online, your passport must be valid for 10 years and expiring within one year or expired less than five years ago

Steps to Renew:

1. Fill out Form DS-82 (can be done online or by hand).
2. Provide a recent 2"x2" color passport photo.
3. Include your most recent passport.
4. Pay the passport renewal fee.
5. Mail your application to the designated address or renew online through the official portal.
6. You will receive your new passport by mail; your old passport will be returned separately

Additional Notes:

• Children under 16 cannot renew by mail and must apply in person using Form DS-11.
• If you have a name change, include legal documentation.
• Processing can take up to three months, so renew well before travel

For Dutch Passport Renewal (Including Abroad)

• You must apply for a new passport; renewal is essentially a new application.
• Gather required documents using a personalized checklist after completing an online questionnaire.
• Applications must be made in person at the local authority or embassy/consulate if abroad.
• A recent passport photo and payment are required.
• The new passport is typically ready within about six working days after application

For UK Passport Renewal

• Can be done online or by paper application.
• Online renewal requires a digital photo, credit/debit card, and your current passport.
• Paper applications require two identical printed photos and payment by card or cheque.
• Send your old passport with the application; it will be returned.
• Costs and procedures vary; check official guidance

In summary, renewing a passport usually involves submitting a renewal application form, a recent photo, your current passport, and the appropriate fee, either by mail, online, or in person depending on your country's rules. Processing times vary, so plan ahead before travel.