Press and hold (or right-click) the MP4 file you want to play, select Open with, and then choose your preferred file player from the list of applications.

准备好安装了吗？ 在开始之前，请确保电脑或 Mac 满足 系统要求。. 如果你已兑换产品密钥，只需重新安装应用，或者知道你已通过工作或学校分配了许可证，则可以跳到登录部分 ，下载并安装 Microsoft 365 或 Office。 但是，如果是 首次 安装 Microsoft 365 或 Office，可能需要先执行一些步骤。

Refunds are typically issued for requests meeting the following criteria: Requests are made within 14 days of the purchase date; Requests are for games in which you haven’t accumulated a significant amount of play time

Descubre cómo enviar una solicitud para obtener el reembolso de una compra de contenido digital de Xbox.

See Share SharePoint files or folders in Microsoft 365 or Video: Share documents in SharePoint Server.. Share sites. If you have site owner permissions, select >Site permissions, select Add members, and then select Add members to group or Share site only.Fore more information, see Share a site.. Create a team site. If you're using Microsoft 365, you can create a site from the SharePoint start ...

Select the Windows Security app from the search results, go to Virus & threat protection, and under Virus & threat protection settings select Manage settings.

Repair programs in Control Panel. Select the Advanced options link under the name of the app (some apps don't have this option). On the page that opens, select Repair if it's available.If it isn't available or doesn't fix the problem, select Reset.

Открытие приложения "Камера" в Windows. Чтобы открыть веб-камеру или веб-камеру, выберите Начните, а затем выберите Все приложения ,а затем выберите Камера в списке приложений. Если у вас несколько камер, вы можете ...

Important: You don't need to remove old security information unless there is an account security risk (e.g. someone else has access to your old mailbox).

How does multifactor authentication work? Let's say you're going to sign into your Microsoft account or work or school account, and you enter your username and password.If that's all you need then anybody who knows your username and password can sign in as you from anywhere in the world!