Sign in with the account you associated with this version of Project. Go to and if you're not already signed in, select Sign in. Third-party seller: You bought Project from a third-party and you're having problems with the product key. Talk to your IT department for installation help. Volume license versions: IT departments might use a different method to install volume license editions of Project throughout their organization.

(The same Microsoft 365 install steps apply to stand-alone versions of Project purchased through the Workplace Discount Program.)

Microsoft Workplace Discount Program (formerly known as Home Use Program): You bought Project for personal use through your company Microsoft Workplace Discount Program benefit and have a product key, see Install Office through Workplace Discount Program. See the following if this is how you got your version of Project Professional 2021, Project Professional 2019, Project Standard 2021, or Project Standard 2019:

Note: *Some versions of Project don't have an associated Microsoft account, or work or school account, or you need to redeem your product key in a different way.

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