Learn how to change the refresh rate for your display in Windows to determine how smoothly motion appears on your screen.

You can add audio, such as music, narration, or sound bites, to your PowerPoint presentation. When adding audio, you can also specify when the audio should start and how long it should run.

Learn how to reset your PIN if you aren't signed in to Windows and having trouble using your PIN.

Windows 11 Windows 10 Summary Time, date, time zone, and daylight-saving time settings can be configured in the Settings app in Windows. To set these settings in Windows, select the desired task from the following list: Set the date and time Select Start > Settings > Time & language > Date & time.

Windows 11 Windows 10 Resumo As definições de hora, data, fuso horário e hora de verão podem ser configuradas na aplicação Definições no Windows. Para definir essas configurações no Windows, selecione a tarefa desejada na lista a seguir: Definir a data e hora Selecione Iniciar>> Hora & idioma> Data & hora.

The DATEVALUE function converts a date that is stored as text to a serial number that Excel recognizes as a date. The DATEVALUE function is helpful in cases where a worksheet contains dates in a text format that you want to filter, sort, or format as dates, or use in date calculations.

Learn how to reset your PIN if you aren't signed in to Windows and having trouble using your PIN.

Learn how to install Office 2021, 2019, or 2016 on your PC or Mac.

Windows 11 Windows 10 在本文中： 调整显示亮度 夜间光照 颜色配置文件管理 使用 HDR 调整显示亮度 管理显示器亮度可以显著增强观看体验，并有助于延长电池使用时间。 你可以手动调整亮度，也可以让电脑根据照明条件或内容自动处理亮度。

This article describes the formula syntax and usage of the HLOOKUP function in Microsoft Excel. Description Searches for a value in the top row of a table or an array of values, and then returns a value in the same column from a row you specify in the table or array. Use HLOOKUP when your comparison values are located in a row across the top of a table of data, and you want to look down a ...