時刻の秒を返します。 戻り値は 0 (秒) ～ 59 (秒) の範囲の整数となります。 書式 SECOND(シリアル値) SECOND 関数の書式には、次の引数があります。 シリアル値 必ず指定します。 検索する秒が含まれている時刻を指定します。 時刻には、半角の二重引用 ...

Troubleshoot problems with Bluetooth accessories. If you can turn on Bluetooth but having problems pairing or using a Bluetooth accessory, try the following steps to try to fix common problems with Bluetooth accessories.

Step 2: Back up your folders. Windows Backup is an easy, single stop for all of your backup needs. Your free Microsoft account comes with 5 GB of OneDrive cloud storage (and more storage is available if you need it), and backing up your folders syncs the folders you specify to your OneDrive account, making them instantly accessible on all computers that you use with this Microsoft account.

To reset your PC, go to Start > Settings > System > Recovery .Next to Reset this PC , select Reset PC.Then, select Keep my files, choose cloud or local, change your settings, and set Restore preinstalled apps? to No.. Open Recovery settings

In Outlook, you have the option to: Attach a file | Upload a locally saved file to your OneDrive | Insert a picture into the body of a message | Attach an email item | Solve problems with attachments. Attach a file to an email message in new Outlook. New Outlook keeps track of the files you have worked on recently and suggests them whenever you decide you want to attach a file to an email message.

To pin apps to the taskbar. Select Start , select the arrow next to All apps, right-click the app, then select More > Pin to taskbar.

To find touchpad devices, select Human Interface Devices or Mice and other pointing devices, then right-click the device you'd like to update.

了解如何使用 Game Bar 捕获游戏过程、与好友聊天、跟踪成就等。注意 若要在 Game Bar 中使用许多 Xbox 功能，必须安装适用于 Windows 的 Xbox 应用并登录。

显示器的刷新率是图像在屏幕上每秒刷新的次数。 例如，60Hz 显示器将每秒更新屏幕 60 次。 更改显示刷新率有什么好处？ 更改显示刷新率的好处取决于你正在查看的内容类型和显示器的功能。 一些好处包括： 游戏：更高的刷新率可以通过减少运动模糊 ...

了解如何使用产品密钥或数字许可证激活 Windows、检查激活状态，以及链接Microsoft 帐户。 通过检查管理员上方是否显示电子邮件地址，确认管理员帐户也是你的 Microsoft 帐户。 如果显示了电子邮件地址，则这是 Microsoft 帐户。