Pomoc i informacje systemu Windows
Znajdź pomoc i instrukcje dotyczące systemów operacyjnych Windows. Uzyskaj pomoc techniczną dla systemu Windows i dowiedz się więcej o instalacji, aktualizacjach, prywatności, zabezpieczeniach i nie tylko.
Microsoft Support
Microsoft support is here to help you with Microsoft products. Find how-to articles, videos, and training for Microsoft Copilot, Microsoft 365, Windows, Surface, and more.
Windows Update Delivery Optimization and privacy
Windows Update Delivery Optimization helps you get Windows updates and Microsoft Store apps more quickly and reliably. You’re in control over whether you use Delivery Optimization with the settings described in this article.
Skype help & learning
Skype help & learning. Limited emergency calling Skype is not a replacement for your telephone and has limited emergency calling capabilities depending on your country.
2024 年 5 月 14 日 — KB5037768 (OS 内部版本 19044.4412 和 19045.4412)
Windows 10 版本 22H2 更新历史记录; 2024 年 7 月 9 日 - KB5040427（OS 内部版本 19044.4651 和 19045.4651） 2024 年 6 月 25 日 — KB5039299 (OS 内部版本 19045.4598) 预览版
在 PC 或 Mac 上下載並安裝或重新安裝 Microsoft 365 或 Office 2021
準備安裝了嗎？ 開始之前，請確定您的PC或Mac符合 系統需求。. 如果您已兌換產品密鑰、只是重新安裝應用程式，或是知道您已透過公司或學校指派授權，您可以跳到登入以 下載並安裝 Microsoft 365 或 Office 章節。 不過，如果這是您 第一次 安裝 Microsoft 365或 Office，您可能需要先執行一些步驟。
Applies To:
Office 2021, Office 2021 for Mac, Office 2019, Office 2019 for Mac, Microsoft 365 for home, Office for business, Office 365 Small Business, Microsoft 365 admin, Office 365 operated by 21Vianet, Office 365 operated by 21Vianet - Admin, Microsoft 365 for Mac, Office 365 Germany - Enterprise, Office 365 Germany - Enterprise admin, Office.com
How to back up and restore the registry in Windows
Back up the registry manually. Select Start , type regedit.exe in the search box, and then press Enter.If you are prompted for an administrator password or for confirmation, type the password or provide confirmation.
Ayuda y aprendizaje de Windows
Encuentre artículos de ayuda y procedimientos para sistemas operativos Windows. Obtenga soporte técnico para Windows y obtenga información sobre la instalación, las actualizaciones, la privacidad, la seguridad y mucho más.
Microsoft Edge help & learning
Organize your ideas. Collections help you keep track of your ideas on the web - shopping, planning a trip, research, or just want to pick up where you left off.
Supporto tecnico Microsoft
Il supporto tecnico Microsoft è disponibile per aiutarti con i prodotti Microsoft. Trova articoli, video e formazione su Microsoft Copilot, Microsoft 365, Windows, Surface e altro ancora.