If you already redeemed a product key, you're simply reinstalling the apps, or you know you have an assigned license through work or school, you can skip ahead and go to the section sign in to download and install Microsoft 365 or Office.

Install Microsoft 365 2019 or 2016 on a PC. Remember a one-time purchase version of Microsoft 365 is licensed for one install only. Depending on your browser, select Open file (in Edge or Internet Explorer), Setup (in Chrome), or Save File (in Firefox).

Select the Microsoft 365 folder from the virtual drive and then double-click either the Setup32.exe to install the 32-bit version of Microsoft 365, or Setup64.exe to install the 64-bit version to begin the offline installation.

share their data. You can learn more about Mic rosoft’s data collection and use in the product

Open your Windows Security settings. Select Virus & threat protection > Protection history. The Microsoft Defender Offline scan will automatically detect and remove or quarantine malware. Learn how to remove malware from your PC. Use Microsoft Defender Antivirus in Windows 10 or Windows 11 to scan your PC for malware, viruses, or other threats.

If some Windows functions aren't working or Windows crashes, use the System File Checker to scan Windows and restore your files. Though the steps below might look complicated at first glance, just follow them in order, step-by-step, and we’ll try to get you back on track.

If you cannot open your Outlook data file or suspect that the file is damaged, use the Inbox Repair tool (scanpst.exe) to repair errors in the file.

Download and install apps. As you're getting your Microsoft 365 business subscription set up, you'll want to download and install your Microsoft 365 apps, like Word, Excel, Microsoft Teams, and PowerPoint, on your PC or Mac. Go to microsoft365.com and sign in with your Microsoft 365 account. Select Install apps.

Access for Microsoft 365 Access 2021 Office 2021 Access 2019 Office 2019. The Microsoft 365 Access Runtime enables you to distribute Access 365 applications to users who don't have Microsoft Office installed on their computers or a version of Microsoft Office that doesn’t include Access.

Step 1: Associate Visio with your account. To be able to install Visio a license must be associated with your Microsoft account or work or school account. Which account you use depends upon which version of Visio you have. Visio Professional (or Standard) Non-subscription version. Redeem a product key. Didn't get one?