Note: If it’s been fewer than 10 days since you upgraded to Windows 10, your previous version of Windows will be listed as a system file you can delete.If you need to free up drive space, you can delete it, but keep in mind that you'll be deleting your Windows.old folder, which contains files that give you the option to go back to your previous version of Windows.

If you're trying to add your Outlook.com account to Outlook or another mail app, you might need the POP, IMAP, or SMTP settings. You can find them below or by viewing them in your Outlook.com settings.. Outlook and Outlook.com may be able to detect your account's mailbox settings automatically, but for other non-Microsoft accounts, you may need to contact your email provider for their settings.

如果需要在频道之外、你和一小群人之间进行较小的讨论，请开始群组聊天。 你可以将你的任何朋友或同事拉入组。 通过群组聊天，任何人都可以共享与项目相关的文件并拨打电话。

In quick settings: To find the quick setting for Bluetooth, select the Network, Sound, or Battery icons ( ) next to the time and date on the right side of your taskbar.Select Bluetooth to turn it on. If it's turned on without any Bluetooth devices connected, it might appear as Not connected . If you don't see Bluetooth in quick settings, you might need to add it.

Windows Mail and Calendar apps. If you're using Windows Mail and Calendar and your accounts are supported in new Outlook, you will see a toggle in the upper right of the Mail app in Windows 10 and 11 to Try the new Outlook.. This option downloads the new app and switches your preferred email client.

Learn how to find your Windows product key for activation or when to use a digital license instead.

How to enable TPM. If you need to enable TPM, these settings are managed via the UEFI BIOS (PC firmware) and vary based on your device. You can access these settings by choosing: Settings > Update & Security > Recovery > Restart now. From the next screen, choose Troubleshoot > Advanced options > UEFI Firmware Settings > Restart to make the changes.

On the General tab, under Home page, enter the URL of the site you want to set as a homepage.You can add more than one URL. Or, to add the site you're currently viewing, select Use current.If you add more than one URL, put each URL on its own line.

Note: If your data is in an Excel table, the Transpose feature isn't available.You can convert the table to a range first, or you can use the TRANSPOSE function to rotate the rows and columns.

疑难解答. 如果在导入或导出笔记本时遇到任何问题，请尝试以下建议。 我的笔记本下载似乎未完成. 随着时间的推移，笔记本的大小可能会显著增加，尤其是在使用 OneNote 收集嵌入的文档、图像扫描、PDF 或视频和音频剪辑作为笔记的一部分时。