了解如何从 Windows 10 家庭版升级到 Windows 10 专业版或从 Windows 11 家庭版升级到 Windows 11 专业版，包括如何使用有效产品密钥或 Microsoft Store。

Activated with the wrong license. If you own multiple licenses and have installed using the incorrect one, or you had a one-time install of Office for Mac and then purchase Microsoft 365, you might need to remove licenses attached to your suite of Office and reactivate to ensure you're getting all the benefits of Microsoft 365.

In Windows 10, you can share your printer with many PCs on your network. To share a printer from the PC that the printer is connected to (the primary PC) with secondary PCs that the printer is not connected to, you must set up sharing settings for the printer, connect the printer to the primary PC (either wirelessly or by using a USB cable), and then turn on the printer.

In the following example we used the formula =FILTER(A5:D20,C5:C20=H2,"") to return all records for Apple, as selected in cell H2, and if there are no apples, return an empty string ("").

按“Xbox”按钮 打开导航页。 选择“人员”>“最近一起玩游戏的玩家”。 按 A 按钮 选择你要添加的帐户。; 选择“添加好友”，将该用户的 Xbox 档案将添加到你的好友列表。在对方也加你之前，你将显示为关注者。 选择“好友”或“常用联系人”，以选择你要与该用户共享的信息类型。

Some devices come preinstalled with Windows 11 Home in S mode by the original equipment manufacturer. If you have Windows 10 Home in S mode and your PC meets the minimum hardware specifications for Windows 11, Windows Update will offer a free upgrade to Windows 11 Home in S mode.

The Health report starts off by showing you the last time a Device Health scan was run. The time displayed should be basically the current time, as Windows Security tries to run a Device Health scan when you open the Device performance & health page.. Beyond the time of last scan you'll see the status of the key areas that Device Health monitors:

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Parity spaces are designed for storage efficiency and protect your files from drive failure by keeping multiple copies.Parity spaces are best for archival data and streaming media, like music and videos. This storage layout requires at least three drives to protect you from a single drive failure and at least seven drives to protect you from two drive failures.

Battery info. The Microsoft Arc Mouse and Surface Arc Mouse both use 2 AAA batteries. When you need to change the batteries, flip the mouse over, press the small tab to open the battery door, then replace the batteries.