- Before you begin
Make sure you have:
- An internet connection (internet service provider fees may apply).
- Sufficient data storage available on a computer, USB or external drive for the download.
- A blank USB flash drive with at least 5 GB of space or blank DVD (and DVD burner) if you want to create media. We recommend using a blank USB or blank DVD, because any content on it will be deleted.
- When burning a DVD from an ISO file, if you are told the disc image file is too large you will need to use Dual Layer (DL) DVD Media.
Check these things on the PC where you want to install Windows 10:
- 64-bit or 32-bit processor (CPU). You’ll create either the 64-bit or 32-bit version of Windows 10 that’s appropriate for your CPU. To check this on your PC, go to PC info in PC settings or System in Control Panel, and look for System type.
- System requirements. See the system requirements before installing Windows 10. We also recommend that you visit your PC manufacturer's website for info about updated drivers and hardware compatibility.
- Language in Windows. You'll need to choose the same language when you install Windows 10. To see what language you're currently using, go to Time and language in PC settings or Region in Control Panel.
- Edition of Windows. You should also choose the same edition of Windows. To check what edition you're currently running, go to PC info in PC settings or System in Control Panel, and look for Windows edition. Windows 10 Enterprise isn’t available here. Please see the Volume Licensing Service Center for more information.
- Microsoft Office products. If you just purchased a new device that includes Office 365, we recommend redeeming (installing) Office before upgrading to Windows 10. To redeem your copy of Office, please see Download and install Office 365 Home, Personal, or University on your PC. For more information, check How to upgrade to Windows 10 on new devices that include Office 365.
If you have Office 2010 or earlier and choose to perform a clean install of Windows 10, you will need to locate your Office product key. For tips on locating your product key, check Find your Office 2010 product key or Enter the product key for your Office 2007 program.