查找 Microsoft Excel 帮助和学习资源。 了解如何有效使用 Excel 的指导文章、指南、培训视频和提示。 跟着现场讲师学习 Microsoft 提供实时指导，帮助你学习 Excel 公式、提示等，从而节省时间并提升技能。

若要下载已购买的应用和游戏，请转到 订单历史记录。 捆绑销售包内的单个项目不可退还。 在澳大利亚，此退回信息不会影响《澳大利亚消费者法》所具有的任何补救措施。

Things to try first. Try these things first to help you fix or narrow down the connection problem. Run Get Help to troubleshoot and fix common connection problems. Right click the network icon in the right side of the taskbar and select Diagnose network problems or open Get Help for Network & Internet

Observação: A melhor e mais segura maneira de obter atualizações de driver no Windows é sempre por meio do Windows Update.Se você estiver tendo problemas com o Windows Update, verifique primeiro se algum dos links em Atualizar o Windows pode ajudá-lo.

Windows devices may get new functionality at different times as Microsoft delivers non-security updates, fixes, improvements, and enhancements via several servicing technologies—including controlled feature rollout (CFR).. Windows will let you know if you need to restart your device to complete an update, and you can choose a time that works best for you to complete that update.

了解如何使用電腦健康情況檢查應用程式，協助改善您的裝置效能。 使用 Microsoft 帳戶登入或建立新帳戶，以跨裝置同步您的喜好設定，例如密碼、Microsoft Edge 瀏覽器設定 (例如我的最愛和閱讀清單、佈景主題等等)。

If you can't find a file on your computer or you accidently modified or deleted a file, you can restore it from a backup (if you're using Windows backup) or you can try to restore it from a previous version.Previous versions are copies of files and folders that Windows automatically saves as part of a restore point.

了解 Windows 中的恢复选项。 查明如何重置电脑、回退到以前版本的 Windows 或使用介质重新安装 Windows。 注意: 删除所有内容 > 更改设置 提供了两个选项。 打开数据擦除会删除文件并清理驱动器。如果你打算捐赠、回收或出售你的电脑，请使用此选项。

对 Internet Explorer 的支持已于 2022 年 6 月 15 日结束 在某些版本的 Windows 10 上通过Microsoft Edge 更新,将永久停用 Internet Explorer 11。 如果访问的任何网站需要 Internet Explorer 11，则可以在 Microsoft Edge 中使用 Internet Explorer 模式重新加载它。

Microsoft 365 for business. If your Microsoft 365 product is one of the following, you have a Microsoft 365 for business product. These products are usually associated with a work or school account, and your Microsoft 365 license (if your subscription has one) came from the organization where you work or go to school.