Windows help and learning
Find help and how-to articles for Windows operating systems. Get support for Windows and learn about installation, updates, privacy, security and more.
Principles of Solar Energy Generation – Energy and
The generation of thermal energy from solar can be realized using various solar reflecting collectors. Most of the technology works on the principle of reflection,
Retirement, Investments, & Insurance for Individuals | Principal
Learn about the retirement, investment, and insurance options available and what can fit your life.
What''s New in Microsoft 365 Copilot | March 2026 | Microsoft
Welcome to the March 2026 edition of What''s new in Microsoft 365 Copilot! Every month, we highlight new features and enhancements to keep Microsoft 365 admins up to date with Copilot features that
Self-registration page | Principal
Self-registration page Businesses and auditors “I manage retirement or insurance plans at my company.” To create an employer or plan sponsor account, watch for an email from your Principal
Introducing MAI-Transcribe-1, MAI-Voice-1, and MAI-Image-2 in
Voice and speech are rapidly becoming the primary interface for the next generation of AI agents, and building great voice experiences requires models that can both speak and listen with
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Microsoft Edge help & learning
Get help and support for Microsoft Edge. Find Microsoft Edge support content, how-to articles, tutorials, and more.
Account help
Get help for the account you use with Microsoft. Find how to set up Microsoft account, protect it, and use it to manage your services and subscriptions.
Welcome to Principal
Learn more about your upcoming transition to Principal. Get the details on your new retirement plan and what you can expect in the move.
How Does Solar Work?
Solar technologies convert sunlight into electrical energy either through photovoltaic (PV) panels or through mirrors that concentrate solar radiation. This energy can be used to generate electricity or be
Service and support | Principal
Find options to get help for your Principal account or to find more information on Principal products and services.
What is a Microsoft account?
Your Microsoft account dashboard is where you can manage your personal information and security settings, keep tabs on your subscriptions and order history, and manage your payment and billing
401 (k) & 403 (b) retirement plans | Principal
Does your employer offer a 401(k), 403(b) or governmental 457(b) plan? These common retirement savings plans can help make the process of saving for retirement easier.
March 21, 2026—KB5085516 (OS Builds 26200.8039 and
This out-of-band update for Windows 11, version 25H2 and 24H2 (KB5085516) is cumulative. It includes updates from previous security and non-security releases, along with an
Help with online access to your personal Principal® account
Whether you''re logging in for the first time, need to change your password, or want to update your personal information, these tips can help.
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Welcome, we''re so glad you''re here. In just a few steps, you''ll be on your way to planning for retirement.
The AI job boom continues: Build the skills that move business
The Microsoft Certified: Dynamics 365 Contact Center AI Engineer Associate Certification is designed for contact center engineers and solutions pros who design and run modern
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Introducing multi-model intelligence in Researcher | Microsoft
Today, Researcher—Microsoft 365 Copilot''s deep research agent for work—takes a significant step forward. Designed to tackle complex research in the flow of work, Researcher now
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Retirement, Investments, and Insurance | Principal
Let''s keep your finances simple. Insure what you have. Invest when you''re ready. Retire with confidence.