Download and install Office 365

Office 365 is a line of subscription services offered by Microsoft, as part of the Microsoft Office product line. The brand encompasses plans that allow use of the Microsoft Office software suite over the life of the subscription, as well as cloud-based software as a service products for business environments, such as hosted Exchange Server, Skype for Business Server, and SharePoint among others. All Office 365 plans include automatic updates to their respective software at no additional charge, as opposed to conventional licenses for these programs—where new versions require purchase of a new license. Learn more about Office 365.

I have Purchased Office 365 got only product key. Where I need to enter product key?

There are several sources to purchase Microsoft Office 365. You can purchase it from Errorkart Shop, Microsoft store, e-commerce websites or local computer stores. From where ever you purchase Office 365, you get packed box including only Office 365 product key, you won’t get installation disk with your purchase.

Now question raises, How to get Office 365 installation disk, How to install Office 365 using product key, where to enter product key. No worries, this guide will answer all your questions.

Download Office 365 using product key

You have to Enter Office 365, Office 2019, Office 2016, or Office 2013 (PC and Mac) product key on and create Microsoft account for Office applications.

1: Sign in with your existing Microsoft user account and password, if you don’t have it, create a one by clicking on Create a new account.
Note: If already have an Office account, click on Install from your Microsoft account and install office.
2: Enter your Office product key, without hyphens.
3: Follow on screen instructions to create and login to Microsoft Office account.
4: Click on Install Office once you login to Microsoft Office account.

F:\Arun\screenshots\Office 365 Setup.jpg

Install Microsoft Office from 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 product key appears.

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

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Office 2010 or Office 2011 for Mac

1: Go to

2: Enter your Office 365 product key without hyphens, and then select Verify.

3: Follow the prompts to finish the download process.

Office 365 Business Premium

1: Go to

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

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

Lost Microsoft Office product key

For help with finding your product key, select your version of Office below:

1: Office product keys

2: Microsoft HUP product keys

3: Office 2010 product keys

4: Office 2007 product keys

5: Office for Mac 2011 product keys

6: Or visit our Microsoft support page for help.

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