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Windows 11、バージョン 23H2 の更新履歴 - Microsoft サポート
Windows 11 バージョン 23H2; 2024 年 7 月 9 日 — KB5040442 (OS ビルド 22621.3880 および 22631.3880) 2024 年 6 月 25 日 —KB5039302 (OS ビルド 22621.3810 および 22631.3810) プレビュー
Windows Startup Settings (including safe mode) - Microsoft Support
Get troubleshooting advice and see a list of options available for starting Windows in diagnostic modes such as safe mode.
激活 Office - Microsoft 支持
如何激活预安装在新 Windows 10 计算机上的 Office 或使用新的产品密钥。
Applies To: Excel for Microsoft 365, Word for Microsoft 365, Outlook for Microsoft 365, PowerPoint for Microsoft 365, Access for Microsoft 365, OneNote for Microsoft 365, Publisher for Microsoft 365, Visio Plan 2, Excel 2021, Word 2021, Outlook 2021, PowerPoint 2021, Access 2021, Project Standard 2021, Publisher 2021, Visio Professional 2021, Visio Standard 2021, Office 2021, OneNote 2021, Excel 2019, Word 2019, Outlook 2019, PowerPoint 2019, Access 2019, Project Standard 2019, Publisher 2019, Visio Professional 2019, Visio Standard 2019, Office 2019, Excel 2016, Word 2016, Outlook 2016, PowerPoint 2016, Access 2016, OneNote 2016, Publisher 2016, Office 2016, Microsoft 365 for home, Office for business, Office.com, Project for Office 365
KB4023057: Update Health Tools—Windows Update Service components
Summary. Microsoft Update Health Tools is offered to devices through Windows Update as update KB4023057. This update is applicable for both Windows consumer and commercial devices, with a slightly different purpose and functionality.
Storage Spaces in Windows - Microsoft Support
Learn how to create new storage spaces, choose between mirror, two-way, and parity spaces, optimize drive usage, and remove a drive from a pool.
Snap your windows - Microsoft Support
See how to arrange all your open windows using the mouse, keyboard, or the Snap Assist feature in Windows.
Change the power mode for your Windows PC - Microsoft Support
Learn how to change the power mode on your Windows PC to preserve your battery, limit notifications, and background activity.
Install and set up Office on an iPhone or iPad - Microsoft Support
How to install Office for iOS on your iPhone or iPad and use the apps with Microsoft 365.
Applies To: Excel for Microsoft 365, Word for Microsoft 365, Outlook for Microsoft 365, PowerPoint for Microsoft 365, OneNote for Microsoft 365, Excel for Microsoft 365 for Mac, Word for Microsoft 365 for Mac, Outlook for Microsoft 365 for Mac, PowerPoint for Microsoft 365 for Mac, OneNote for Microsoft 365 for Mac, Excel for the web, OneNote for the web, Excel 2021, Word 2021, Outlook 2021, PowerPoint 2021, Office 2021, OneNote 2021, Excel 2021 for Mac, Word 2021 for Mac, Outlook 2021 for Mac, PowerPoint 2021 for Mac, OneNote 2021 for Mac, Office 2021 for Mac, Excel 2019, Word 2019, Outlook 2019, PowerPoint 2019, Office 2019, Excel 2019 for Mac, Word 2019 for Mac, Outlook 2019 for Mac, PowerPoint 2019 for Mac, OneNote 2019 for Mac, Office 2019 for Mac, Excel 2016, Word 2016, Outlook 2016, PowerPoint 2016, OneNote 2016, Office 2016, PowerPoint 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 - Small Business Admin, Office 365 operated by 21Vianet - Admin, Office app for iOS, Outlook Web App, Skype for Business for iPad
Account & profile | Xbox Support
Find everything you need to manage your Xbox account, profile, and more.
May 14, 2024—KB5037771 (OS Builds 22621.3593 and 22631.3593)
Windows 11, version 22H2; July 25, 2024—KB5040527 (OS Builds 22621.3958 and 22631.3958) Preview; July 9, 2024—KB5040442 (OS Builds 22621.3880 and 22631.3880)