Making a will is one of the clearest ways to put your wishes in writing about what should happen to your property after your death. A will can name beneficiaries, nominate a guardian for minor children where permitted and identify the person you want to handle your estate. It does not avoid every legal or financial complication, and the signing rules depend on the state where the document is executed.

This guide explains the general process for adults in the United States. It is not a substitute for legal advice: state law controls whether a will is valid, how witnesses must sign and how an estate is administered.

Step 1: Make a list of what you own and what you owe

Start by listing major assets, including bank accounts, real estate, vehicles, investments, retirement accounts and valuable personal property. Then identify debts and obligations, such as mortgages, loans and credit-card balances. The goal is not to create a perfect accounting; it is to understand which assets may pass through a will and which may transfer under a separate contract or ownership arrangement.

Some assets commonly pass outside a will. Life insurance proceeds and retirement accounts usually go to the beneficiaries named on the account, while jointly owned property may pass according to the form of ownership. A will generally does not override a valid beneficiary designation. Review those designations separately and keep them current.

Step 2: Decide who should receive your property

Choose beneficiaries and be as clear as possible about what each person should receive. You can leave specific items to individuals, divide the remainder of your estate by percentages or use a combination. Consider what should happen if a beneficiary dies before you, cannot be located or is not legally able to receive property directly.

If you want to leave property to a minor child, ask an estate-planning attorney about an appropriate trust or other arrangement. A minor generally cannot manage a large inheritance independently, and the right structure depends on state law and the family’s circumstances.

Step 3: Choose an executor

An executor, sometimes called a personal representative, is the person who handles the estate administration process. Depending on state law and the estate, that person may locate assets, pay valid debts and taxes, file court documents, communicate with beneficiaries and distribute property according to the will.

Choose someone organized, trustworthy and willing to take on the responsibility. Name an alternate in case your first choice cannot serve. The person you name may need to work with a probate court and professionals, so it is sensible to discuss the role before putting their name in the document.

Step 4: Check your state’s signing requirements

Wills are governed by state law, and requirements are not identical across the country. Many states require the person making the will to sign it in the presence of two witnesses, who also sign. Some states recognize other procedures or have rules for self-proving affidavits. Notarization alone does not necessarily replace witness requirements.

Do not assume a document downloaded from the internet is valid simply because it looks official. Before signing, check the current law in your state or consult an attorney. Follow the required procedure exactly, including who must be present and whether witnesses can be beneficiaries.

Step 5: Store the will where it can be found

Keep the signed original in a secure location that your executor or trusted family member can access when needed. Tell the appropriate person where it is stored. A document that no one can locate may create unnecessary delay. Avoid writing changes directly onto the signed original; a later amendment, often called a codicil, may need to follow formal execution requirements of its own.

Step 6: Review your plan after major life changes

Review your will after marriage, divorce, the birth or adoption of a child, a major move, a significant change in assets or the death of a beneficiary or executor. Moving to another state is especially important because the new state’s laws and probate procedures may affect how your plan works.

Update beneficiary designations on retirement accounts and insurance policies separately. A will may not control those assets, so an outdated form at a financial institution can undermine what you intended the will to accomplish.

Common mistakes to avoid

• Using vague descriptions that make beneficiaries or property difficult to identify.
• Forgetting alternate beneficiaries or an alternate executor.
• Assuming a will controls life insurance, retirement accounts or every jointly owned asset.
• Failing to follow state-specific witness and signing rules.
• Leaving the original somewhere no one can find it.
• Never reviewing the document after major family or financial changes.

When should you hire an estate-planning attorney?

A straightforward estate may be manageable with a state-specific, reputable will service, but legal advice is especially valuable when you own property in multiple states, operate a business, have a blended family, want to provide for a person with special needs, anticipate family conflict or need tax and trust planning. An attorney can also help coordinate a will with powers of attorney, health-care directives, trusts and beneficiary designations.

The bottom line

A will is not just a form; it is a legal document that must reflect your wishes and meet the rules that apply where you live. Inventory your assets, choose beneficiaries and an executor, follow your state’s execution requirements and store the original safely. Review the plan when life changes. For complicated situations, professional estate-planning advice is worth considering.

Related reading: The 30-Day Money Reset.

Sources: USA.gov: Wills and estate planning information; American Bar Association: Estate planning resources; Nolo: Wills and state-law considerations.