how to Setup or install Microsoft Office365 Log In|officesetup247 or how to install Microsoft365

If your purchase of Office or Microsoft Office365 Log In came and then with a product key. you enter your product key on one of the websites listed below for your product. After you enter your key through. In addition you can download and install Office, or you can renew your Microsoft Office365 Log In subscription.

Having problems with your product key?

Example of an Office or Microsoft 365 product key:


Shows an example of an Office product key
Microsoft 365, Office 2019, Office 2016, and Office 2013 (PC and Mac)

To redeem a new purchase

Follow step

Step 1:

Go to or

Step 2:

Sign in with your Microsoft Office365 Log In account, or create one if you don’t have one. Be sure to remember this account so that you can install or reinstall Office later, without a product key.

Important: If you’re renewing your Office365 Log In subscription, enter the Microsoft account that’s associated with your subscription. I can’t remember my Microsoft account.

Step 3

Enter your Microsoft product key, without hyphens, if prompted. If you don’t see the option to enter your Microsoft product key, it was entered for you automatically.

Step 4

Follow the prompts to finish the redemption process.

To install or reinstall Office365 Log In

If you see the error This product key has already been used when you enter your product key on or, this means your product key has already been redeemed and is no longer needed.

Instead, use your Microsoft account to sign in to and install your Microsoft Office product.

Note: If you’re trying to allow up and 5 other people to install Office using. Meanwhile your Microsoft 365 Family subscription, see How to share your Office365 Log In Home subscription benefit.

Step 1

Start any Office app, like Word, Project, or Visio, depending on your purchase.

Step 2

In the Sign in to set up Office window, select I don’t want to sign in or create an account (it’s a small link at the bottom of the window).

Step 3

Enter your Office365 Log In product key, without hyphens. If you don’t have your key, see Get your HUP product key.

Shows the link that you click to enter your Microsoft HUP product key
Microsoft Store
1: Go to and sign in (upper right-hand corner) with the Microsoft account that you used to buy Office.

2: After you sign in, select your name in the upper right-hand corner, and then select Order History.

3: Locate the Office one-time purchase or individual Office app, and then select Install Office to view your product key (this doesn’t actually install Office).

4: Select Install Office again in the window where the Microsoft product key appears.

5: On the Hi. Let’s get started page, follow the prompts to sign in again, and associate your product with your Microsoft account.

Shows the Order History page in the Microsoft Store
Office 2010 or Office 2011 for Mac

1: Go to

2: Enter your Office product key without hyphens, and then select Verify.

3: Follow the prompts to finish the download process.

Microsoft 365 Business Standard

1: Go to

2: Enter the Office product key without hyphens, and then select Next.

3: Follow the prompts to finish the redemption and setup process.

Having problems with your product key?

I can’t find my product key
For help with finding your product key, select your version of Office below:

Office product keys

Microsoft HUP product keys

Office 2010 product keys

more Office 2007 product keys

then Office for Mac 2011 product keys

My product key isn’t working

First, make sure that you’re entering the key correctly on the right site. If you aren’t sure which site to use, you can enter your product key using the Virtual support agent (English only). If your Microsoft product key is valid, the Virtual support agent provides a link to download Office.

The Virtual support agent can also let you know if your product key has been blocked and can connect you to a live agent.

If your Microsoft Office product key doesn’t work or has stopped working, you should contact the seller and request a refund. If you bought a product key separate from the software, it’s very possible the product key was stolen or otherwise fraudulently obtained, and subsequently blocked for use. Unfortunately, there are many dishonest sellers who offer stolen, abused or otherwise unauthorized Microsoft product keys for sale.

Sometimes these Microsoft product keys are printed on counterfeit labels or cards with a download link to Microsoft software, and sometimes they’re distributed with software media that is unauthorized for resales, such as promotional media, original equipment manufacturer reinstallation media, or other Microsoft office program-specific media.

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