Download and install Skype for Business on your PC. Sign in to and out of Skype for Business. Set up an audio device for Skype for Business. Set up and troubleshoot Skype for Business video

npv 类似于 pv 函数（现值）。 pv 与 npv 的主要差别在于：pv 既允许现金流在期末开始也允许现金流在期初开始。

This article is for people who want to control their PC and author text using their voice with Windows. This article is part of the Accessibility support for Windows content set where you can find more information on Windows accessibility features. For general help, visit Microsoft Support home. To complete the initial set up voice access in Windows, you need an internet connection.

Improvements and fixes included in this update. A downloadable Excel workbook that contains a summary list of builds, together with their current support lifecycle, is available.

Learn how to run Windows Update Troubleshooter to resolve errors downloading or installing Windows updates.

Battery saver is turned off.To find out if battery saver is turned on or off, select Start , then search for settings.Select Settings > System > Power & battery.If you want the best HDR video experience even when battery saver is turned on, select Battery saver, then turn off Lower screen brightness when using battery saver.For the best HDR video experience, Windows needs to be able to set ...

Résoudre les problèmes liés à l'utilisation d'accessoires Bluetooth. Si vous pouvez activer la fonctionnalité Bluetooth, mais que vous rencontrez des problèmes d'association ou d'utilisation d’un accessoire Bluetooth, utilisez les instructions ci-dessous, qui peuvent vous aider à résoudre les problèmes courants liés à l'utilisation d'accessoires Bluetooth.

Prevents Windows Update from performing driver installations and sending restart notifications; Helps achieve a more stable frame rate depending on the specific game and system

To check activation status in Windows 11, select the Start button, and then select Settings > System and then select Activation .. Your activation status will be listed next to Activation.. Check activation status in Settings. You'll see one of these activation status messages on the Activation page:

Dengan menggunakan fungsi NPV dan IRR Excel untuk memproyeksikan arus kas bisnis mendatang, Anda dapat menemukan cara-cara memaksimalkan laba dan meminimalkan risiko.