Office Guides • Windows • 2026 Edition
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Install Microsoft Office on Windows

Download Office safely from official Microsoft sources, install on Windows, and activate by signing in. This guide is educational and non-commercial.

Last updated Feb 19, 2026 Platform Windows Time ~10–20 minutes
Disclosure: This website is not affiliated with Microsoft Corporation. We do not sell software or offer paid support. Always download Office from your Microsoft account on the official Microsoft website.
Start Windows install steps Back to setup guide Fix installation errors

Step-by-step installation (Windows)

Before you start: Confirm the Microsoft account that owns your Office license/subscription.
Installing from one account and activating with another can cause “license not detected”.

Sign in to your Microsoft account

  • Open the official Microsoft website and sign in.
  • Use the account that owns the Office license/subscription.

Download the installer (Services & Subscriptions)

  • Open Services & Subscriptions in your Microsoft account.
  • Find your Office product and select Install.
  • Save the installer file to your computer.

Run setup

  1. Open the downloaded installer file.
  2. Allow installation when prompted by Windows.
  3. Wait for completion (the progress may pause briefly).

Activate by signing in

  • Open Word or Excel.
  • Select Sign in and use the correct Microsoft account.
  • Confirm activation in Office’s account page.

Activation guide →

If the install fails or gets stuck

  • Restart your PC and complete any pending Windows updates.
  • If older Office versions are interfering, do a clean uninstall and reinstall.
  • Use the installation errors guide for safe troubleshooting steps.

Fix installation errors Clean uninstall guide

Related guides

Master Office setup

Full download → install → activate flow.

Installation errors

Stuck installs and common error patterns.

Install on Mac

macOS steps, permissions, and activation checks.

FAQ

Is this an official Microsoft website?

No. This is an independent educational guide and is not affiliated with Microsoft Corporation.

Where should I download Office for Windows?

Download from your Microsoft account on the official Microsoft website (Services & Subscriptions). Avoid third‑party installers.

Do you provide paid support?

No. We do not offer paid support services. This website is informational only.