Windows 8.1 remains a popular operating system for users who prefer a classic interface with improved performance. On this page, you will find a selection of key updates for Windows 8.1 that enhance system security, stability, and functionality. You can download them via the official Microsoft website or directly from our server in versions for x64 and x86 architectures. Each update is accompanied by a detailed description of its features and purpose.
You can purchase licensed product keys for Windows 8.1 activation in our catalog with instant delivery to your email in automatic mode. Orders are processed 24/7.
You can also download official Windows 8.1 installers from our catalog via direct links. Details are available on the following page.
List of Updates
Updates for Windows 8.1
Update KB2919355, known as Windows 8.1 Update, was released in April 2014. This major improvement package updates Windows 8.1 to a version with an enhanced interface and performance.
Key Features and Changes:
1. Adds a Start button to the taskbar for simplified navigation.
2. Enhances the Start screen with tile context menu support.
3. Improves compatibility with mouse and keyboard for desktop PCs.
4. Fixes numerous kernel and driver-related bugs.
5. Reduces system requirements to run on devices with 1 GB of RAM.
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Update KB3172614, released in July 2016, updates the servicing stack for Windows 8.1, necessary for installing subsequent patches.
Key Features and Changes:
1. Improves the update installation process, reducing error likelihood.
2. Optimizes Windows Update for faster downloads.
3. Fixes crashes during large package installations, such as KB3173424.
4. Required for proper functioning of cumulative updates after July 2016.
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Update KB3000850, released in November 2014, is a major package of enhancements and fixes for Windows 8.1.
Key Features and Changes:
1. Boosts system performance by 10-15% through kernel optimization.
2. Fixes DirectX 11 issues for improved gaming stability.
3. Resolves Windows Explorer crashes when handling large files.
4. Adds support for new video compression formats in Media Player.
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Update KB3068708, released in June 2015, enhances diagnostics and telemetry for Windows 8.1.
Key Features and Changes:
1. Updates telemetry components for performance data collection.
2. Improves Windows Update for accurate error diagnostics.
3. Fixes issues with sending error reports to Microsoft.
4. Prepares the system for upgrading to Windows 10.
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Update KB3138615, released in March 2016, addresses vulnerabilities in Internet Explorer for Windows 8.1.
Key Features and Changes:
1. Mitigates vulnerabilities CVE-2016-0102 and CVE-2016-0105 in IE.
2. Prevents arbitrary code execution via malicious websites.
3. Enhances HTML5 and CSS3 processing in the browser.
4. Improves security for online banking usage.
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Update KB3080149, released in August 2015, improves diagnostics and telemetry in Windows 8.1.
Key Features and Changes:
1. Enhances crash data collection for app troubleshooting.
2. Optimizes diagnostic service performance under high load.
3. Fixes performance report submission errors.
4. Required for stable Windows Update operation.
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Update KB3044374, released in March 2015, prepares Windows 8.1 for upgrading to Windows 10.
Key Features and Changes:
1. Adds notifications about the option to upgrade to Windows 10.
2. Updates system components for compatibility with the new OS.
3. Fixes Windows installer errors for future upgrades.
4. Enhances current system stability.
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Update KB2999226, released in October 2015, adds support for Universal C Runtime (UCRT) in Windows 8.1.
Key Features and Changes:
1. Installs UCRT for modern C++ application compatibility.
2. Fixes launch errors for software requiring new libraries.
3. Enhances compatibility with programs developed after 2015.
4. Required for installing Visual Studio and other tools.
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Update KB3065988, released in July 2015, improves the Windows Update client.
Key Features and Changes:
1. Speeds up update downloads and installation by 20%.
2. Fixes synchronization errors with Microsoft servers.
3. Enhances the Windows Update interface for usability.
4. Improves update service stability.
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Update KB3087039, released in October 2015, addresses critical vulnerabilities in the Windows 8.1 kernel.
Key Features and Changes:
1. Mitigates vulnerability CVE-2015-2546 in the kernel.
2. Prevents privilege escalation via malicious code.
3. Fixes crashes related to system drivers.
4. Enhances overall OS security.
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Update KB3097997, released in October 2015, updates Adobe Flash Player in Internet Explorer.
Key Features and Changes:
1. Mitigates vulnerabilities CVE-2015-7645 and CVE-2015-7647 in Flash.
2. Prevents exploitation via multimedia content.
3. Improves Flash video playback in IE.
4. Required for secure web browsing.
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Update KB3109094, released in December 2015, addresses vulnerabilities in the Microsoft Graphics Component.
Key Features and Changes:
1. Mitigates vulnerability CVE-2015-6100 in GDI.
2. Prevents code execution via malicious images.
3. Improves font and graphics processing.
4. Enhances security for multimedia operations.
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Update KB3110329, released in December 2015, addresses vulnerabilities in Microsoft Office for Windows 8.1.
Key Features and Changes:
1. Mitigates vulnerability CVE-2015-6118 in Office.
2. Prevents malicious code execution via documents.
3. Improves Office compatibility with Windows 8.1.
4. Required for Office 2010 and 2013 users.
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Update KB3123479, released in January 2016, addresses vulnerabilities in the Windows 8.1 display driver.
Key Features and Changes:
1. Mitigates vulnerability CVE-2016-0009 in Win32k.
2. Prevents privilege escalation via graphics drivers.
3. Improves stability for NVIDIA and AMD GPUs.
4. Enhances security during graphics rendering.
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Update KB3133043, released in February 2016, updates Microsoft Silverlight for Windows 8.1.
Key Features and Changes:
1. Mitigates vulnerability CVE-2016-0034 in Silverlight.
2. Prevents exploitation via multimedia apps.
3. Improves streaming content playback.
4. Required for legacy web application support.
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Update KB3142026, released in March 2016, addresses vulnerabilities in the Windows 8.1 font driver.
Key Features and Changes:
1. Mitigates vulnerability CVE-2016-0121 in GDI.
2. Prevents code execution via malicious fonts.
3. Improves text rendering in applications.
4. Enhances security for PDF operations.
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Update KB3156016, released in May 2016, addresses vulnerabilities in the Windows 8.1 kernel.
Key Features and Changes:
1. Mitigates vulnerability CVE-2016-0182 in Win32k.
2. Prevents privilege escalation via drivers.
3. Improves system stability under high load.
4. Required for kernel attack protection.
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Update KB3164033, released in June 2016, addresses vulnerabilities in JScript and VBScript.
Key Features and Changes:
1. Mitigates vulnerability CVE-2016-3204 in script engines.
2. Prevents code execution via web pages.
3. Improves legacy web app performance in IE.
4. Enhances browser security.
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Update KB3177186, released in September 2016, addresses vulnerabilities in the Windows 8.1 kernel.
Key Features and Changes:
1. Mitigates vulnerability CVE-2016-3375 in Win32k.
2. Prevents privilege escalation via malicious apps.
3. Improves system call handling.
4. Enhances overall OS security.
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Update KB3185319, released in September 2016, addresses vulnerabilities in Internet Explorer.
Key Features and Changes:
1. Mitigates vulnerability CVE-2016-3298 in IE.
2. Prevents code execution via malicious websites.
3. Improves JavaScript handling in the browser.
4. Enhances web browsing security.
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Update KB3192392, released in October 2016, addresses vulnerabilities in the Microsoft Graphics Component.
Key Features and Changes:
1. Mitigates vulnerability CVE-2016-7182 in GDI.
2. Prevents code execution via images.
3. Improves graphics rendering in applications.
4. Enhances multimedia security.
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Update KB3205400, released in December 2016, addresses vulnerabilities in the Windows 8.1 kernel.
Key Features and Changes:
1. Mitigates vulnerability CVE-2016-7255 in Win32k.
2. Prevents privilege escalation via drivers.
3. Improves system stability.
4. Required for kernel attack protection.
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Update KB4012213, released in March 2017, addresses vulnerabilities in Internet Explorer.
Key Features and Changes:
1. Mitigates vulnerability CVE-2017-0037 in IE.
2. Prevents code execution via web pages.
3. Improves HTML5 content handling.
4. Enhances browser security.
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Update KB4056898, released in January 2018, protects Windows 8.1 from Meltdown and Spectre vulnerabilities.
Key Features and Changes:
1. Mitigates vulnerabilities CVE-2017-5753 and CVE-2017-5754.
2. Prevents kernel memory reading via processors.
3. Requires processor microcode updates for full protection.
4. May reduce performance by 2-5% on older CPUs.
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