Step 1: Go to www.office.com/setup or Microsoft365.com/setup. Step 2: Sign in with your Microsoft 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.

Use the Office offline installer to install Office 2016 or Office 2013 if you don't have an active Internet connection or you're having problems with slow speed or unreliable connections.

Insert the Office 2010 disc into the drive. If the setup wizard doesn’t start automatically, navigate to the disc drive and click SETUP.EXE. When prompted, enter the product key. If you need help, see Find your product key for Office 2010. Read and accept the Microsoft Software License Terms, and then click Continue.

If you are having issues installing or updating Gaming Services on your PC, or if you are noticing that the Xbox app for PC is launching with missing content, you may want to download and run the Gaming Services Repair Tool for PC.

Go to office.com/setup and sign in with an existing Microsoft account or create a new one, then enter your product key. Follow the remaining prompts to finish linking your Microsoft account with this version of Microsoft 365.

To use Microsoft 365 on your new device, you can activate Microsoft 365 as a 1-month trial of Microsoft 365 Family. You can also buy Microsoft 365 or a non-subscription version of Office, add Microsoft 365 to an existing Microsoft 365 subscription, or enter a product key from a new product key card.

If you would like to install a program from a disc, use the following steps: Insert the disc into your PC or external CD-DVD drive, and then follow the instructions on your screen. You might be asked for an admin password. If install doesn't start automatically, check your AutoPlay settings. Select Start > Settings > Bluetooth & devices > AutoPlay.

The January 28, 2025 update for Windows 11, version 24H2 includes cumulative reliability improvements in .NET Framework 3.5 and 4.8.1. We recommend that you apply this update as part of your regular maintenance routines.

Before installing Project the first time, sign in with an existing or new Microsoft Account and enter your product key* at microsoft365.com/setup. Redeeming your key links your account with the Project app and you only have to do this once.

To update the 32-bit and 64-bit versions of Windows Server 2003 SP1, or to update the 64-bit versions of Windows XP, download the hotfix that is described in Microsoft Knowledge Base article 898715 instead of the 893803 (v2) package. The version number is 3.1.4000.2435.