Download and Install or Reinstall Office 365 or Office 2019 on a PC or Mac
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Upgrade to Windows 10 Pro - Microsoft Support
Windows 10 Pro offers more advanced security and business networking features, including: BitLocker Drive Encryption
Office Help & Training
if you live in (or if your principal place of business is in) the united states, please read the binding arbitration clause and class action waiver in section 8.
Change the email address or phone number for your Microsoft account
Communities help you ask and answer questions, give feedback, and hear from experts with rich knowledge.
Applies To: Microsoft account dashboard
Open and run DxDiag.exe - Microsoft Support
Learn how to open and run DxDiag.exe on Windows to collect device information and troubleshoot DirectX sound and video issues.
Activer Windows - Support Microsoft
Si vous installez Windows sur un nouvel appareil ou une carte mère pour la première fois et que vous n’avez pas de clé de produit, sélectionnez Je n’ai pas de clé de produit pendant les écrans d’installation. À l’invite, entrez le compte Microsoft à utiliser pour acheter une licence numérique pour cet appareil.
Subscriptions & billing | Xbox Support
Get more information about managing your Xbox subscriptions, issues with billing, and more.
Windows でアプリとプログラムをアンインストールまたは削除する - Microsoft サポート
マルウェアを削除しようとしている場合は、「Windows セキュリティで保護された状態を維持する」を参照して、スキャンを実行する方法を確認してください。 別のウイルス対策ソフトウェア プログラムを使用している場合は、そのプログラムのウイルス対策オプションを確認してください。
Fix your Outlook email connection by repairing your profile
On the Email tab, choose your account (profile), and then choose Repair.
Applies To: Outlook for Microsoft 365, Outlook 2021, Outlook 2019, Outlook 2016, Office for business, Office 365 Small Business, Microsoft 365 admin
Fix problems that block programs from being installed or removed ...
The Program Install and Uninstall troubleshooter helps you automatically repair issues when you're blocked from installing or removing programs.