JPEG 画像のような特定の種類のファイルは、既に高度に圧縮されています。 複数の JPEG 画像を 1 つのフォルダーに zip 圧縮しても、フォルダーの合計サイズは元の画像をまとめたサイズとほぼ同じです。

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To zip (compress) files. In the search box on the taskbar, type file explorer, and then select it from the list of results.Right-click the file you want to zip, and then select Send to > Compressed (zipped) folder.. To decompress files. Open File Explorer and find the compressed folder.

2. Install any applicable firmware updates. If you have a Surface device, see Security issue for TPM on Surface devices for more information and instructions.. If your device is not from Microsoft, locate the device manufacturer of your device in the following table, select the corresponding link, and apply the firmware update that's provide.

To adjust power and sleep settings in Windows 11, select Start > Settings > System > Power & battery > Screen and sleep. Screen: Select how long you want your device to wait before turning the screen off when you're not using your device.

For a black screen, use the following keyboard shortcut: Windows logo key + Ctrl + Shift + B.

If you don't see the keyboard you want, you may have to add a new language to get additional options. If this is the case, go on to step 4. Return to the Language settings page, and select Add a language. Choose the language you want to use from the list, and then select Next.

注: この記事では、PC で Windows 11 を実行するための最小システム要件について説明します。 最小システム要件は、現在と将来のさまざまなデバイスで、優れたコンピューティング エクスペリエンスを提供することを目的としています。

Note: If you can't change the Camera access setting, you'll need an administrator on the device to turn it on for you. Allow access to the camera on this device. Make sure Let apps access your camera is turned on. This setting allows you to choose if any of your apps can access the camera. It doesn't set which specific apps can access the camera.

大部分应用程序（例如 Microsoft Word、Excel 和 PowerPoint）在安装软件时会自动安装字体。 例如，Microsoft Publisher 等专为文档设计项目而创建的应用程序通常带有许多额外的字体，可在计算机上的其他任何程序上使用。