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 Office install steps apply to stand-alone versions of Project purchased through HUP.) Microsoft HUP: You bought Project for personal use through your company HUP benefit and have a product key, see Install Office through HUP. See the following if this is how you got your version of Project Professional 2019 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.