まだ Windows 11 を実行していない場合は、 「Windows のライセンス認証を行う」または「Windows 7 または Windows 8.1 のライセンス認証」のアクティブ化を参照してください。 ライセンス認証のトラブルシューティング ツールを試す Windows 11 を実行している場合は、最近ハードウェアを大幅に変更した ...

Here's how to install the Media Feature Pack on Windows 10 N and Windows 11 N: Windows 10 N: Select the Start button, then select Settings > Apps > Apps & features > Optional features > Add a feature . Then locate the Media Feature Pack in the list of available optional features. Windows 11 N : Select the Start button, then select Settings ...

It may be possible for your IT admins to help with password recovery, but only if they had implemented the DocRecrypt tool before you created the document password. Go to File > Info > Protect Document > Encrypt with Password. Type a password, press OK, type it again and press OK to confirm it. Save the file to make sure the password takes effect.

如果你是小型企业所有者. 通过 Microsoft 365 查找构建、运行和发展小型企业所需的信息。. 访问小型企业帮助和学习. 查找有关 Windows 操作系统的帮助和操作方法文章。. 获取对 Windows 的支持，并了解安装、更新、隐私、安全等方面的信息。.

To change permissions or stop sharing with someone who has direct access, under Direct Access, click the dropdown next to the person's name and choose the option that you want. Tip: You can also manage a file or folder's sharing permissions through the OneDrive desktop app for Windows 10 or 11, and Mac. All you need to do is right-click the ...

SharePoint にサインインする. SharePointは、次のように、Web ブラウザーを介して接続するブラウザー ベースのアプリです。. [office.com] に移動し、職場または学校アカウントにサインインします。. ウィンドウの左上隅で、 [ すべての アプリ] > > アプリ起動ツール ...

使用 Copilot Pro 取得更多資訊. 使用進階的 Copilot 體驗來提高創造力和生產力。. 下載 Copilot Pro 可免費試用 1 個月的 Copilot 應用程式。. 取得 Copilot 應用程式. 開始使用 Copilot Pro. Microsoft 支援服務可協助您處理 Microsoft 產品。. 尋找適用於 Microsoft Copilot、Microsoft 365 ...

Both of them are risky: Add an app to the list of allowed apps (less risky). Open a port (more risky). When you open a port in Windows Defender Firewall you allow traffic into or out of your device, as though you drilled a hole in the firewall. This makes your device less secure and might create opportunities for hackers or malware to use one ...

As a reminder, Windows 8.1 has reached end of support on January 10, 2023. At this point technical assistance and software updates will no longer be provided. If you have devices running Windows 8.1, we recommend upgrading them to a more current, in-service, and supported Windows release. If devices do not meet the technical requirements to run ...

Share files in File Explorer. To share a file, select it, go to the Share tab, and select Share. At this point, there are several ways to share a file. For full details, see How to share files in File Explorer on Windows. There are several ways to share files using File Explorer including using an app to share, using OneDrive, sending an email ...