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Microsoft Defender の使用を開始する - Microsoft サポート
Windows、Mac、Android Microsoft Defenderでは、ダウンロードしてインストールしたファイルやアプリをチェックしたり、システムに既にインストールされているファイルのスキャンを実行して、デバイスを脅かす可能性のあるマルウェアを見つけることができます ...
适用于: Android 上的 Microsoft Defender, iOS 上的 Microsoft Defender, Mac 上的 Microsoft Defender, Windows 上的 Microsoft Defender, Microsoft Defender Online
Defragment your Windows 10 PC - Microsoft Support
Windows 10. Optimizing your drives can help your PC run smoother and boot up faster. To optimize them: Select the search bar on the taskbar and enter defrag. Select Defragment and Optimize Drives. Select the disk drive you want to optimize. Select the Optimize button.
Microsoft Teams (free) - Microsoft Support
Contact us. For more help, contact support or ask a question in the Microsoft Teams Community. Get started with Microsoft Teams (free). Explore your options, find out what’s new, browse help topics, and more.
适用于: Microsoft Teams, Microsoft Teams 个人版, Microsoft Teams 小型企业版
Media Feature Pack for Windows 10/11 N (September 2022)
Here’s how to install the Media Feature Pack: On Windows 10 N: Select the Start button, then select Settings > Apps > Apps and Features > Optional features > Add a feature. Find the Media Feature Pack in the list of available optional features. On Windows 11 N: Select the Start button, then select Settings > Apps > Optional features.
Where to enter your Office product key - Microsoft Support
Step 1: Start an Office app, like Word, Project, or Visio, depending on your purchase. Step 2: In the Sign in to set up Office window, select I don't want to sign in or create an account (it's a small link at the bottom of the window). Step 3: Enter your Office product key, without hyphens. If you don't have your key, see get your Workplace ...
适用于: Office 2021, Office 2021 for Mac, Office 2019, Office 2019 for Mac, Office 2016, Microsoft 365 家庭版, Office 商业版
How do I log on as an administrator? - Microsoft Support
To log on as an administrator, you need to have a user account on the computer with an Administrator account type. If you are not sure if the account that you have on the computer is an administrator account, you can check the account type after you have logged on. The steps that you should follow will vary, depending on whether your computer ...
Automatically fix Windows security issues - Microsoft Support
Follow these steps to automatically diagnose and repair Windows security problems by turning on UAC, DEP protection, Windows Firewall, and other Windows security options and features. Select the Download button on this page. In the File Download dialog box, click Run or Open, and then follow the steps in the Windows Security Troubleshooter.
How to start a scan for viruses or malware in Microsoft Defender
Windows Android Mac. From the Microsoft Defender dashboard. Select Device details. Select Manage in Windows Security. Select Quick scan. Tips: If you want a deeper scan, instead of selecting Quick scan in step 3, select Scan options and choose the type of scan you want. For the most complete scan, run Microsoft Defender Offline.
适用于: Android 上的 Microsoft Defender, Mac 上的 Microsoft Defender, Windows 上的 Microsoft Defender
Change your default search engine in Microsoft Edge
Keeping Bing as your default search engine provides an enhanced search experience in the new Microsoft Edge , including direct links to Windows apps, relevant suggestions from your organization if you’re signed in with a work or school account, and instant answers to questions about Windows.However, you can change the default search engine to any site that uses OpenSearch technology.
Windows background apps and your privacy - Microsoft Support
Select Start , then select Settings > Apps > Apps & features. Scroll to the desired app, select More options on the right edge of the window, then select Advanced options. In the Background apps permissions section, under Let this app run in the background, select one of the following options: Always —The app runs in the background, receiving ...