Windows Operating System Fundamentals

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Skills measured

This exam measures your ability to accomplish the technical tasks listed below. The percentages indicate the relative weight of each major topic area on the exam. The higher the percentage, the more questions you are likely to see on that content area on the exam. View video tutorials about the variety of question types on Microsoft exams.

Please note that the questions may test on, but will not be limited to, the topics described in the bulleted text.

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As of August 31, 2016, this exam includes updates for Windows 10, including the removal of any tools not supported on Windows 10. To learn more about these changes and how they affect the skills measured, please download and review the exam 98-349 change document.

Understanding operating system configurations (15–20%)
  • Configure Control Panel options
    • Configure administrative tools, configure accessibility options, configure power settings, configure File Explorer settings
  • Configure desktop settings
    • Configure profiles, display settings, and shortcuts; configure and customize Start Menu; configure Task Bar settings; configure toolbars; configure notifications
  • Configure native applications and tools
    • Configure Microsoft Edge, configure Cortana, configure Hyper-V, configure settings using MSCONFIG, configure processes and applications using Task Manager, configure computer management
  • Configure mobility settings
    • Configure Sync Center, Windows Mobility Center, and Remote Desktop
  • Configure and use management tools
    • Configure MMC, configure the Windows PowerShell console and Windows PowerShell ISE

Preparation resources

Installing and upgrading client systems (15–20%)
  • Identify Windows operating system editions
    • Identify hardware and compatibility requirements, determine appropriate editions per device type
  • Identify upgrade paths
    • Identify upgrade paths from previous Windows versions, identify application compatibility
  • Understand installation types
    • Perform a clean install, upgrade via Windows Update, migrate from previous Windows versions, perform removable media installation, perform network installation
  • Understand operating system architecture
    • Understand kernel mode; understand user mode; understand memory, IRQs, drivers, CPUs, and UI; understand 32-bit versus 64-bit architecture

Preparation resources

Managing applications (15–20%)
  • Configure applications
    • Understand local versus network applications, configure desktop applications, configure app startup options, configure Windows features, configure Windows SmartScreen, configure application removal, configure Windows Store apps
  • Configure user account control (UAC)
    • Understand standard user versus administrative user, understand types of UAC prompts and levels
  • Configure antivirus settings
    • Configure Windows Defender and the Malicious Software Removal tool
  • Understand services
    • Understand service start-up types, service accounts, and service dependencies

Preparation resources

Managing files and folders (15–20%)
  • Understand file systems
    • Understand FAT32, NTFS, and ReFS
  • Understand file and print sharing
    • Configure File System permissions, configure Share Permissions, configure HomeGroup settings, configure print drivers, configure effective permissions, create shares, create mapped drives
  • Understand encryption
    • Understand BitLocker and Encrypting File Systems (EFS)
  • Understand libraries
    • Understand offline files, configure libraries, add multiple local locations to a library, add networked locations

Preparation resources

Managing devices (15–20%)
  • Connect devices
    • Connect, enable, and disable plug-and-play and Bluetooth devices; connect and disconnect printers; install third-party software for devices; install device drivers
  • Understand storage
    • Understand disk types, security (encryption), storage device types (eSATA, USB, IEEE 1394, iSCSI, InfiniBand), and storage drive types (basic, primary, extended, logical, dynamic disk, VHDs); configure OneDrive use; optimize drives
  • Understand printing devices
    • Understand local printers, network printers, print queues, print-to-file, and Internet printing
  • Understand system devices
    • Understand video, audio, and infrared input devices; understand Device Manager

Preparation resources

Understanding operating system maintenance (15–20%)
  • Understand backup and recovery methods
    • Configure System Restore; configure a recovery drive; configure recovery boot options, such as Last Known Good, and various Safe Mode options; recover files from OneDrive
  • Understand maintenance tools
    • Understand Disk Defragmenter, Disk Cleanup, Task Scheduler, and System Information
  • Configure updates
    • Configure Windows Update options; implement Insider Preview, Current Branch, and Current Branch for Business scenarios; manage update history; roll back updates

Preparation resources

Who should take this exam?

Candidates for this exam should have knowledge of fundamental Windows operating system concepts in a Windows 10 environment.

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Preparing for an exam

We recommend that you review this exam preparation guide in its entirety and familiarize yourself with the resources on this website before you schedule your exam. See the Microsoft Certification exam overview for information about registration, videos of typical exam question formats, and other preparation resources. For information on exam policies and scoring, see the Microsoft Certification exam policies and FAQs.


This preparation guide is subject to change at any time without prior notice and at the sole discretion of Microsoft. Microsoft exams might include adaptive testing technology and simulation items. Microsoft does not identify the format in which exams are presented. Please use this preparation guide to prepare for the exam, regardless of its format. To help you prepare for this exam, Microsoft recommends that you have hands-on experience with the product and that you use the specified training resources. These training resources do not necessarily cover all topics listed in the "Skills measured" section.