To see what small business support options are available in your region, select your country or region from the dropdown list below: Get Microsoft billing support. Find help with Microsoft Store purchases, subscriptions, refunds, payment options, and checking your order history.

If you're a small business owner. Find the information you need to build, run, and grow your small business with Microsoft 365. Find help and how-to articles for Windows operating systems. Get support for Windows and learn about installation, updates, privacy, security and more.

若要打开或关闭 Microsoft Defender 防火墙，请执行以下操作：. 选择“ 开始 ” ，然后打开“ 设置 ” 。. 在“ 隐私和安全 ” 下面，选择“ Windows 安全 ” >“ 防火墙和网络保护 ”。. 打开 Windows 安全中心设置. 选择网络配置文件： 域网络 、 专用网络 或 公用网络 ...

Remova o dispositivo Bluetooth e o adicione novamente: Selecione Iniciar > Configurações > Bluetooth e dispositivos > Dispositivos. Em Dispositivos, selecione Mais opções para o dispositivo Bluetooth ao qual você está tendo problemas de conexão e selecione Remover dispositivo > Sim. Para saber mais sobre como emparelhar seu dispositivo ...

Once you remove your password from your account, you will need to sign in using a passwordless method like the Microsoft Authenticator app, Outlook for Android, Windows Hello, physical security keys, or SMS codes. Note: We will start to offer sign-in approval notifications in the Outlook for Android app from January 2024.

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Add a device to a Windows 10 PC. Windows 10 usually finds devices automatically when you plug them in or turn them on. If it doesn't, follow these steps: Select Start > Settings > Devices > Bluetooth & other devices. Select Add Bluetooth or other device and follow the instructions. Add a device.

重置忘记的 Microsoft 帐户密码. 如果知道密码，但只想更改密码，请转到 “account.microsoft.com 安全 ”选项卡，然后选择“ 更改我的密码 ”。. 如果知道用户名和密码但已停止工作，请阅读 我的用户名和密码已停止工作 。. 1. 选择“忘记了密码？. 如果“输入密码 ...

There are a few common scenarios in which Windows running on a PC might be discovered to be non-genuine during validation. Repairs. If your PC has been repaired, you might start to see messages on your desktop that Windows isn't genuine.

To resolve this issue, use the following methods in the order that they are presented. Method 1: Modify the registry. Click Start, click Run, and then type regedit in the Open box, and then click OK. Locate and then click the following key in the registry:HKEY_LOCAL_MACHINE\SOFTWARE\Policies\Microsoft\Internet Explorer\Restrictions.