1. Introduction to Windows 11 Pro OEM
This manual provides essential information for installing and utilizing Microsoft Windows 11 Pro OEM. This version is specifically designed for system builders and is intended for installation on new personal computers that do not have a prior version of Windows installed. It offers a streamlined, intuitive user interface, enhanced security features, and tools to boost productivity.

Figure 1: Official Windows 11 Pro branding, indicating the operating system version.
2. පද්ධති අවශ්යතා
Before installing Windows 11 Pro, ensure your system meets the following minimum requirements. Failure to meet these specifications may result in installation issues or suboptimal performance.
- සකසනය: 1 gigahertz (GHz) or faster with 2 or more cores on a compatible 64-bit processor or System on a Chip (SoC).
- RAM: 4 gigabyte (GB).
- ගබඩා: 64 GB or larger storage device.
- System firmware: UEFI, Secure Boot capable.
- TPM: Trusted Platform Module (TPM) version 2.0.
- ග්රැෆික් කාඩ්පත: Compatible with DirectX 12 or later with WDDM 2.0 driver.
- සංදර්ශකය: High definition (720p) display that is greater than 9" diagonally, 8 bits per colour channel.
- Internet connection and Microsoft account: Required to perform updates and to download and take advantage of some features. A Microsoft account is required for some features. Switching a device out of Windows 11 Home in S mode also requires internet connectivity.

Figure 2: Visual representation of the minimum system requirements for Windows 11.
3. පිහිටුවීම සහ ස්ථාපනය
The Windows 11 Pro OEM version is intended for installation on a new PC with no prior version of Windows installed. This product typically comes with an installation DVD and a product key.
- ඔබේ පද්ධතිය සූදානම් කරන්න: Ensure your new PC meets all system requirements listed in Section 2. Back up any existing data if you are performing a clean installation on a drive that previously contained data.
- Insert Installation Media: Insert the Windows 11 Pro OEM DVD into your computer's optical drive. If your system does not have an optical drive, you may need to create a bootable USB drive using the official Microsoft Media Creation Tool and your product key.
- Boot from Media: Restart your computer and configure the BIOS/UEFI settings to boot from the DVD or USB drive.
- තිරයේ ඇති විමසීම් අනුගමනය කරන්න: The Windows Setup wizard will guide you through the installation process. Select your language, time, and keyboard preferences.
- නිෂ්පාදන යතුර ඇතුළත් කරන්න: When prompted, enter the 25-character product key provided with your OEM package. This key is often found on a sticker or card within the packaging. Gently scratch to reveal the product key if it is covered.
- ස්ථාපන වර්ගය තෝරන්න: Choose "Custom: Install Windows only (advanced)" for a clean installation on a new system.
- Partition Drive: Select the drive or partition where you want to install Windows. You may need to format or create new partitions.
- සම්පූර්ණ ස්ථාපනය: Allow the installation process to complete. Your computer will restart multiple times.
- මූලික පිහිටුවීම්: After installation, follow the prompts to set up your user account, privacy settings, and connect to the internet.
- වින්ඩෝස් සක්රිය කරන්න: Windows should activate automatically once connected to the internet. If not, navigate to Settings > System > Activation to activate manually using your product key.

Figure 3: The physical DVD media for Windows 11 Pro OEM installation.
4. Key Features and User Interface
Windows 11 Pro introduces a reimagined user experience designed for effortless, personal, and focused interaction.
- Streamlined and Intuitive UI: Enjoy a centered Start menu and effortless navigation. The clean layout, fresh icons, wallpaper, and sounds reduce cognitive load.
- Intelligent Desktop: New features like Snap Layouts organize open windows with pre-configured options that adapt to your screen. Windows 11 remembers your layout, even when docking/undocking. Create separate, custom desktops for different workflows.
- Personalized and Accessible: Interact naturally with voice, digital pen, and multi-finger touch. Use voice typing to convert ideas to text. Customizable Widgets provide live news, schedules, and to-do lists.
- Enhanced Productivity Tools: Microsoft Edge is optimized for speed and seamless integration with Microsoft 365 apps (Teams, Outlook, Office). Easily automate workflows with Microsoft Power Automate.

රූපය 4: ඕවරයක්view of Windows 11's productivity-focused user interface.
5. Operating Windows 11 Pro
Once installed, Windows 11 Pro provides a robust environment for both personal and professional use.
- ආරම්භක මෙනුව: Access all your applications, settings, and files from the redesigned Start menu, now centrally located.
- කාර්ය තීරුව: The taskbar provides quick access to frequently used apps, search, and virtual desktops.
- සැකසුම් යෙදුම: Manage system configurations, personalize your experience, and access updates through the comprehensive Settings application.
- File ගවේෂක: Organize and access your documents, pictures, and other fileකාර්යක්ෂමව.
- මයික්රොසොෆ්ට් වෙළඳසැල: Download and install verified applications from the official Microsoft Store.
- වසම් සම්බන්ධ වීම: Windows 11 Pro allows you to join your business or school domain for easy access to network files, servers, and printers. This feature is not available in Windows 11 Home.
6. ආරක්ෂක විශේෂාංග
Windows 11 Pro is built with advanced security features to protect your data and privacy in today's complex cybersecurity landscape. It is designed as a Zero Trust-ready operating system.
- ගොඩනඟන ලද ආරක්ෂාව: Includes hardware isolation, encryption, and robust malware protection enabled on all devices.
- Password-less Security: Easily apply password-less security with Enhanced Windows Hello for Business, utilizing facial recognition, fingerprint, or PIN.
- Multi-Factor Authentication: Combine device safeguards with multi-factor authentication for comprehensive Zero Trust protection.
- වලාකුළු වින්යාසය: Secure devices for curated apps and access using cloud configuration.
- යෙදුම් ගැළපුම: Microsoft is committed to app compatibility with App Assure, a service that helps subscribers with 150 or more users resolve app issues.

Figure 5: An image highlighting Windows 11's focus on enhanced security.
7. නඩත්තු කිරීම සහ යාවත්කාලීන කිරීම්
Regular maintenance and updates are crucial for the security and optimal performance of your Windows 11 Pro system.
- වින්ඩෝස් යාවත්කාලීන කිරීම: Ensure automatic updates are enabled via සැකසීම් > වින්ඩෝස් යාවත්කාලීන කිරීම to receive the latest security patches and feature enhancements.
- ධාවක යාවත්කාලීන: Keep your hardware drivers updated. These can often be found through Windows Update or directly from your hardware manufacturer's webඅඩවිය.
- තැටි පිරිසිදු කිරීම: Periodically use the Disk Cleanup utility to remove temporary files සහ ගබඩා ඉඩ නිදහස් කරන්න.
- ප්රති-වයිරස මෘදුකාංග: Windows Security provides built-in antivirus protection. Ensure it is active and up-to-date.
- උපස්ථ: දත්ත නැතිවීම වැළැක්වීම සඳහා ඔබේ වැදගත් දත්ත නිතිපතා බාහිර ධාවකයකට හෝ වලාකුළු ගබඩාවකට උපස්ථ කරන්න.
8. දෝශ නිරාකරණය
If you encounter issues with your Windows 11 Pro installation, consider the following troubleshooting steps:
- සක්රිය කිරීමේ ගැටළු: If Windows does not activate, double-check your product key for accuracy. Ensure your system is connected to the internet. If problems persist, refer to Microsoft's online activation troubleshooting guides.
- කාර්ය සාධන ගැටළු: Check Task Manager for high resource usage. Ensure drivers are updated and perform a disk cleanup.
- පද්ධති ප්රතිසාධනය: If a recent change caused an issue, try using System Restore to revert to a previous working state.
- නැවත ස්ථාපනය: In severe cases, a clean reinstallation of Windows 11 Pro may be necessary. Remember that OEM licenses are tied to the first PC they are installed on and cannot be transferred to another machine.
9. පිරිවිතර
| ගුණාංගය | විස්තර |
|---|---|
| නිෂ්පාදන මානයන් | අඟල් 7.5 x 5.5 x 0.1 |
| අයිතමයේ බර | අවුන්ස 1.6 කි |
| අයිතම ආදර්ශ අංකය | FQC-10529 |
| පළමු දිනය තිබේ | දෙසැම්බර් 2, 2021 |
| නිෂ්පාදකයා | Microsoft |
| ASIN | B09MYBD79G |
| මුල් රට | ඇඑජ |
10. සහාය සහ වගකීම් තොරතුරු
It is important to understand the support and warranty terms for OEM (Original Equipment Manufacturer) software.
- OEM Product Support: Microsoft OEM System Builder products typically do not include direct product support from Microsoft. Support for this software is generally provided by the system builder or the retailer from whom the product was purchased.
- බලපත්ර මාරු කිරීමේ හැකියාව: An OEM license is tied to the first PC it is installed on and cannot be transferred to another machine. This is a key distinction from full packaged "Retail" versions of Windows.
- වගකීම්: Any warranty for the software itself would typically be provided by the system builder or reseller, not directly by Microsoft for OEM versions.
- Microsoft Resources: While direct support is limited, Microsoft provides extensive online documentation, forums, and knowledge bases that can be helpful for general Windows usage and troubleshooting. You can visit the official Microsoft support website for these resources.





