Now you can seamlessly share files between your PC and mobile device when they are connected via Phone Link and the Link to Windows app. What do I need to share files between my PC and mobile device? A PC running Windows 10 (with the May 2019 update or later) or Windows 11. Android device running Android 9.0 or later.

Guided support in your browser can provide digital solutions for Office problems. Try guided support. Learn more about product keys, assigned licenses, Workplace Discount Program, and volume license versions. Sign in to download and install Microsoft 365 or Office. Tip: Get tech expertise with Business Assist.

From the Overview page, select Office apps and on that page, find the Microsoft 365 product you want to install and select Install. To install Microsoft 365 in a different language, or to install the 64-bit version, use the dropdown to find more options.

If your purchase of Office or Microsoft 365 came with a product key, you enter your product key on one of the websites listed below for your product. After you enter your key, you can download and install Office, or you can renew your Microsoft 365 subscription. Tip: Get tech expertise with Business Assist.

1. Check your speaker output. 2. Run the audio troubleshooter. 3. Verify that all Windows Updates are installed. 4. Check your cables, plugs, jacks, volume, speaker, and headphone connections. 5. Check sound settings. 6. Fix your audio drivers. 7. Set your audio device as the default device. 8. Turn off audio enhancements. 9. Restart Audio Services

Get help and support, whether you're shopping now or need help with a past purchase. Contact Microsoft Support. Find solutions to common problems, or get help from a support agent.

Get help and support for Microsoft Edge. Find Microsoft Edge support content, how-to articles, tutorials, and more.

How to check if your device meets Windows 11 system requirements after changing device hardware. Learn how to use the PC Health Check app to help you improve your device performance.

You can use installation media (a USB flash drive or DVD) to install a new copy of Windows, perform a clean installation, or reinstall Windows. To create installation media, go to the software download website, where you'll find step-by-step instructions.

重要: Microsoft では、1 年以上前の Authenticator バージョンはサポートされなくなりました。 常にデバイスを最新の状態に保ちます。 Android iOS. Android デバイスに Authenticator をインストールするには. QR コードをスキャンする. または、Google Play ストアから Authenticator をダウンロードしてインストールします。 アプリを取得する. 次の手順. Microsoft Authenticator にアカウントを追加する. Microsoft Authenticator アプリは、2 段階認証を使用しているときにアカウントにサインインするのに役立ちます。