Windows 8.1 Technical Preview Download

So maybe you’re done messing around with the new developer preview of Windows Phone 8.1 and ready to go back to Windows Phone 8. Maybe the new features just aren’t quite ready for daily use in your opinion or they just aren’t enough for you to justify using the, essentially, beta software and now, you’re over with it. It's been nearly a week since Microsoft announced that it will follow Windows 8.1 with Windows 10 - and released its Technical Preview so that those interested could take a first look at the new.

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Server management reimagined

Windows Admin Center is your remote management tool for Windows Server running anywhere–physical, virtual, on-premises, in Azure, or in a hosted environment–at no additional cost.

DOWNLOAD NOWWindows 11 Enterprise

Windows 11 is designed for hybrid work, offering features and enhancements focused on productivity, collaboration, and security.

Windows 10 Enterprise

Windows 10 Enterprise is designed to address the needs of large and midsize organizations by providing IT professionals with advanced protection against modern security threats and more.

Windows 10 and Office 365 Deployment Lab Kit

The Windows 10 and Office 365 Deployment Lab Kit is designed to help you plan, test, and validate modern desktops running Windows 10 Enterprise and Office 365 ProPlus, managed by Enterprise Mobility + Security.

Windows Server 2022

Windows Server 2022 introduces advanced multi-layer security, hybrid capabilities with Azure, and a flexible application platform. As part of this release, we are bringing secured-core capabilities to help protect hardware, firmware, and Windows Server OS capabilities against advanced security threats.

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Windows Server 2019

Windows Server 2019 is the operating system that bridges on-premises environments with Azure services enabling hybrid scenarios maximizing existing investments.

Windows Admin Center

Windows Admin Center is a customer-deployed, browser-based app for managing servers, clusters, hyper-converged infrastructure, and Windows 10 PCs. It comes at no additional cost beyond Windows and is ready to use in production.

SQL Server 2019

SQL Server 2019 continues to push the boundaries of security, availability, and performance for all your data workloads, now with new compliance tools, higher performance on the latest hardware, and high availability on Windows, Linux and containers.

SQL Server 2017

Take advantage of breakthrough scalability, performance, and availability for mission-critical, intelligent applications and data warehouses. Enhance security with encryption at rest and in motion.

SQL Server 2016

Build intelligent, mission-critical applications using a scalable, hybrid database platform that has everything built in—from in-memory performance and advanced security to in-database analytics.

SQL Server 2014

See how in-memory processing built into SQL Server 2014 SP3 delivers breakthrough performance to accelerate your business and enable new, transformational scenarios that make you more competitive.

Azure SQL Edge

Azure SQL Edge is a compact container that enables localized IoT solutions for edge servers, gateways, and devices by offering data streaming, storage, and analytics in connected or disconnected environments.

Azure Migration and Modernization Program

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System Center 2019

Microsoft System Center 2019 offers enterprise-class datacenter management for hybrid cloud environments. System Center offers exciting new features and enhancements across infrastructure provisioning, infrastructure monitoring, automation, backup and IT service management.

System Center 2016

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Microsoft Endpoint Configuration Manager (Current Branch)

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Microsoft Endpoint Configuration Manager (Tech Preview)

Microsoft Endpoint Configuration Manager (Tech Preview) helps IT manage PCs and servers, keeping software up-to-date, setting configuration and security policies, and monitoring system status while giving employees access to corporate applications on the devices that they choose.

Microsoft Endpoint Manager Evaluation Lab Kit

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Microsoft Intune

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Viva Topics

Microsoft Viva Topics applies AI to empower people with knowledge and expertise in the apps they use every day, and to connect, manage and protect content across systems and teams.

SharePoint Syntex

SharePoint Syntex uses advanced AI and machine teaching to amplify human expertise, automate content processing, and transform content into knowledge. It delivers intelligent content services that work the way you do.


Microsoft Project is a simple, powerful app to manage work and help your teams successfully navigate projects of any size from start to finish. From quick projects, to complex initiatives, it’s never been easier to stay organized, focused, connected, and in charge.


Visio empowers your team to create visually vibrant and impactful, professional diagrams quickly. With over 250,000 shapes and templates designed for a variety of industries, Visio makes it simple and intuitive to create professional diagrams in just a few steps.

SharePoint Server 2019

SharePoint Server 2019 is designed to help you achieve new levels of reliability and performance, delivering features and capabilities that simplify administration, protect communications and information.

Project Server 2019

Project Server 2019 is a flexible, scalable project and portfolio management solution that drives efficient and effective management across portfolios, programs, and projects.

Skype for Business Server 2019

Skype for Business Server 2019, an enterprise ready communications and collaboration platform that brings together a client experience inspired by Skype with enterprise-grade security, compliance, and control.

Microsoft Defender for Identity

Microsoft Defender for Identity is a cloud-based security solution that leverages your on-premises Active Directory signals to identify, detect, and investigate advanced threats, compromised identities, and malicious insider actions directed at your organization.

Microsoft Identity Manager 2016 SP1

Microsoft Identity Manager (MIM) 2016 builds on the identity and access management capabilities of Forefront Identity Manager. Like its predecessor, MIM helps you manage the users, credentials, policies, and access within your organization. Additionally, MIM 2016 adds a hybrid experience, privileged access management capabilities, and support for new platforms.

PreviewHost Integration Server 2020

Host Integration Server 2020 offers technologies and tools enabling enterprise IT organizations to integrate existing IBM host systems, programs, messages, and data efficiently and securely with new Azure and Windows applications.

Windows 8.1 Preview Iso Download

BizTalk Server 2016

BizTalk Server 2016 allows customers to integrate disparate applications and heterogeneous data to deliver solutions such as payment processing, supply chain management, business-to-business EDI, real-time decision making, and reporting.

Power BI Pro

Power BI is a business analytics service that enables you to see all your data through a single pane of glass. Live Power BI dashboards and reports include visualizations and KPIs from data residing both on-premises and in the cloud, offering a consolidated view across your business, regardless of where your data lives.

Power Apps

Power Apps is a business application platform that helps line of business specialists easily build and deploy business apps across web and mobile. Quickly add automation and new functionality that extends Office 365, Dynamics 365 or 3rd party applications, to do more with data.

Power Automate

Power Automate is a service that helps you create automated workflows between your favorite apps and services to synchronize files, get notifications, collect data, and more.

Power Virtual Agents

Power Virtual Agents empowers teams to easily create powerful bots using a guided, no-code graphical interface without the need for data scientists or developers.

Dynamics 365

Dynamics 365 business applications are modern, unified, intelligent, and adaptable solutions that work together seamlessly and integrate with your existing systems so your organization gets exactly what it needs to grow.

Microsoft Cloud for Sustainability

Microsoft Cloud for Sustainability is an extensible software-as-a-service solution that helps you record, report, and reduce your organization’s environmental impact through automated data connections and actionable insights.

Back to Biz, your one-stop shop to get your business back on track

The pandemic has had devastating effects on small business owners everywhere. Back to Biz is a free program designed to help you recover, pivot and grow. Whether you’re building an online presence, expanding revenue streams, or stabilizing cash flow. Back to Biz provides hundreds of actionable lessons, informative interviews, community stories and much more to get your business thriving.

SIGN UP FOR FREE ACCESSWindows 8.1 Technical Preview Download

Learn how Microsoft products help companies run their business

Our Customer Stories start with a need to improve the way a company does business and end in a proven solution that strategically integrates devices and services. Discover a few of our most popular customer success stories that have been developed to provide you with insight into our approach and an understanding of the impact our collaboration can have on your business’ bottom line.

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Azure IoT Central

Real-time patient data is transforming the relationship between clinician and patient, shifting from traditional reactive, symptom-based care toward proactive, personalized care.



SQL Server 2017

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Azure, Power BI

Avanade is the leading provider of innovative digital and cloud services, business solutions, and design-led experiences on the Microsoft ecosystem.


Mount Sinai Hospital

Azure SQL Database, Azure Virtual Machines

To improve the health of low-income populations and reduce taxpayers’ costs, Mount Sinai Health System is working with other organizations in New York to implement an initiative called the Delivery System Reform Incentive Payment (DSRIP) program.


Microsoft 365

Get the latest updates! Microsoft 365 is a complete, intelligent solution, including Office 365, Windows 10, and Enterprise Mobility + Security, that empowers everyone to be creative and work together, securely.



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Dynamics 365 & Power Platform

We’re continuously developing new capabilities to enable your digital transformation. The public product roadmap provides a glimpse into what will be made available in the next wave of product updates.

RECOMMENDED: Click here to fix Windows issues and optimize system performance

Microsoft has released the technical preview of the upcoming Windows 10 OS for pre-release testing, evaluation and feedback. It is not necessary to enumerate all its features here, as all of us are reading news and know about Start menu, virtual desktops and so on. If you have a Windows 7-compatible PC, you can install Windows 10 there, it should run smoothly. Although Tech Preview is designed for PC experts who are comfortable downloading unfinished software, you might be interested in testing it right now. Here are Windows 10 Technical Preview direct download links for ISO images.
Microsoft has created an official download page for interested users, there you will need to sign up for the new Windows Insider Program. Like previous versions of Windows, x86 and x64 ISO images of Windows 10 are available. At this moment, only 4 languages are available for download - English/US, English/UK, Simplified Chinese and Portuguese (Brazil).
To visit the official download page, you need to visit the following page:
The official download page for Windows 10 Technical Preview

It is possible to get ISO images directly, without visiting that page. Here you go:

  • English (US) ISO images:
    Windows 10 TP x86.
    Windows 10 TP x64.
  • English (UK) ISO images:
    Windows 10 TP x86.
    Windows 10 TP x64.
  • Chinese (Simplified) ISO images:
    Windows 10 TP x86.
    Windows 10 TP x64.
  • Portuguese (Brazil) ISO images:
    Windows 10 TP x86.
    Windows 10 TP x64.

Use the following product key to install it:

I would like to remind you once again, that this is not finished software, and you should not use Windows 10 Technical Preview as your primary operating system. Install it separately from your current OS because it can be buggy or unstable.

RECOMMENDED: Click here to fix Windows issues and optimize system performance

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