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Before you begin, make sure your PC or Mac meets the system requirements.

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If you are reinstalling Office, you have sầu already redeemed a sản phẩm key, or you are installing Office at work or school and know you have a license, then go khổng lồ the section sign in to lớn download & install Office.

However, if this is the first time you"re installing Office, you may have sầu some pre-installation steps lớn vì chưng first. Exp& the Learn more section below for more info.

If this is the first time you"re installing Office, you may have khổng lồ complete a phối of pre-installation steps first or you may need to follow different steps than what"s contained below. What you do depends if your copy of Office is an Office for home or an Office for business product and whether or not you have a sản phẩm key you have sầu lớn redeem, an existing account associated with Office, or a pre-assigned license.

Office for home

If you have sầu an Office for home product and it came with a hàng hóa key*, before installing for the first time (or sharing it if you have 365 Family), you need to lớn redeem your product key first.

Go toài đặt và sign in with an existing or new account* và then enter your product key to redeem it. Redeeming your key is what adds your tài khoản lớn Office và you only have sầu khổng lồ do this once. If you"re renewing a 365 subscription with a new sản phẩm key, use the same trương mục you previously associated with your expired version subscription.

Tip: Once this is done, anytime you need lớn install or reinstall Office you can go straight lớn the next section, Sign in to tải về Office và select the tab for help to lớn install on a PC or Mac. Be sure khổng lồ sign in with the same trương mục you used to redeem your hàng hóa key atết đặt.

Office​​​​ for business

If your Office for business subscription plan includes the desktop version of the Office apps you won"t see an option khổng lồ install it unless someone in your organization assigned a license to you.

Learn how to kiểm tra this in What 365 business sản phẩm or license bởi I have? or if you"re a 365 admin responsible for assigning licenses lớn people in your organization, see Assign licenses to users.

Once you verify you have sầu a license, anytime you need to install or reinstall Office you can go straight to the section below, Sign in to download Office và select the tab for steps lớn install on a PC or Mac. You"ll sign in with your work or school tài khoản for these versions of Office.

*If you don"t have sầu a sản phẩm key or an account

Some versions of Office such as Office Professional Plus 2021, Office Standard 2021, or a stand-alone phầm mềm such as Word 2021 or Project 2021 don"t have sầu an associated trương mục, or work or school account.

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The steps lớn install these versions can be different depending if you got Office through one of the following ways: HUP:You bought Office for personal use through your company benefit program và have sầu a product key, see Install Office through HUP.

Volume license versions:IT departments might use a different method when installing Office for people in their organization. Talk to your IT department for install help.

Third-tiệc nhỏ seller:You bought Office from a third-tiệc nhỏ và you"re having problems with the hàng hóa key.

You signed in with a account

From the Office trang chính page select Install Office.

Select Install (or depending on your version, Install Office>).

You signed in with a work or school account

From the trang chủ page select Install Office (If you mix a different start page, go khổng lồ


Select Office 365 apps khổng lồ begin the installation.

Install Office

Depending on your browser, select Run (in Edge or Internet Explorer), Setup (in Chrome), or Save sầu File (in Firefox).

If you see the User Account Control prompt that says, Do you want to lớn allow this ứng dụng to lớn make changes lớn your device? select Yes.

The install begins.


Your install is finished when you see the phrase, "You"re all set! Office is installed now" and an animation plays lớn show you where khổng lồ find Office applications on your computer. Select Close.