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Change your screen resolution in Windows - Microsoft Support
In the Display resolution row, select the list and choose an option.It's usually best to stick with the one that's marked (Recommended). Monitors can support resolutions that are lower than their native resolutions, but text won't look as sharp and the display might be small, centered on the screen, edged with black, or stretched.
Create a presentation in PowerPoint - Microsoft Support
Training: Watch and learn how to create a PowerPoint presentation, add/format text, and add pictures, shapes, and/or charts.
Applies To: PowerPoint for Microsoft 365, PowerPoint 2021, PowerPoint 2019, PowerPoint 2016
Update to the new Microsoft Edge - Microsoft Support
What if I don't have administrator privileges on my device? To fully upgrade to the new Microsoft Edge, you must be signed in to your device using an administrator account. If you don't have this level of access, contact your IT administrator to request access or have someone complete the upgrade who has an administrator account on your device.
Create installation media for Windows - Microsoft Support
To create the installation media, here's what you'll need: A PC with a reliable internet connection. The download time will vary, depending on your internet connection.
Set up your Microsoft 365 sign-in for multi-factor authentication
If you don't have it installed there is a link provided to download it. If you would rather use SMS messages sent to your phone instead, select I want to set up a different method . Microsoft 365 will ask for your mobile number, then send you an SMS message containing a 6-digit code to verify your device.
Applies To: Office for business, Microsoft 365 admin
修复 Windows 中的声音或音频问题 - Microsoft 支持
修复 Windows 中的声音或音频问题; 设置 Microsoft 新式无线耳机; 在 Microsoft Teams 中使用 Microsoft 新式无线耳机; 在 Microsoft Teams 中使用 Microsoft 新式 USB-C 耳机
Sign-in options in Windows - Microsoft Support
Dynamic lock is a security feature that automatically locks your device when you are not around. It uses Bluetooth to pair with a phone, and locks the device when the Bluetooth signal drops below a certain level, indicating that you are no longer near your device.
Turn Microsoft Defender Firewall on or off - Microsoft Support
Under Microsoft Defender Firewall, switch the setting to On.If your device is connected to a network, network policy settings might prevent you from completing these steps. For more info, contact your administrator.
Sign in using Microsoft Authenticator - Microsoft Support
Using Authenticator as a way to sign in. If you have turned on passwordless, two-step, or multi-factor authentication for your account, use the following steps to sign-in:
Creating and using a USB recovery drive for Surface
If the USB recovery drive doesn’t work on your Surface. If you can’t boot from your USB recovery drive or don’t see the Recover from a drive option, you may need to ensure that the boot-from-USB function in the Surface BIOS is enabled or configure the boot order so the USB drive is the first option. For more info, see Boot Surface from a USB device.