Download and install or reinstall Microsoft 365 or Office 2021 on a PC ...
If you still don't see an option to install Microsoft 365 on the Microsoft 365 Software page, it's possible your admin hasn't assigned a license to you. Find out if you have a license to install Microsoft 365. If you're a student or teacher and your institution didn't give you a license, find out if you're eligible to Get Microsoft 365 for free.
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
June 11, 2024—KB5039211 (OS Builds 19044.4529 and 19045.4529)
Windows 10, version 22H2 update history; July 23, 2024—KB5040525 (OS Build 19045.4717) Preview; July 9, 2024—KB5040427 (OS Builds 19044.4651 and 19045.4651)
检查你的 DirectX 版本 - Microsoft 支持
检查你的版本. DirectX 是许多 Windows 游戏都需要的一种多媒体技术套件。 如果你的电脑未安装正确版本的 DirectX（产品包装盒上应标有所需的版本），游戏可能无法正常运行。
Edit a PDF - Microsoft Support
PDFs of book chapters or something that looks like a manuscript from a copier won't be formatted well in Word. Go to File > Open . Find the PDF and open it (you might have to select Browse and find the PDF in a folder).
Applies To:
Word for Microsoft 365, Word 2021, Word 2019, Word 2016
Erstellen eines Installationsmediums für Windows - Microsoft-Support
Erfahren Sie, wie Sie ein Installationsmedium für die Installation oder Neuinstallation von Windows 7, Windows 8.1 oder Windows 10 erstellen.
Troubleshoot screen flickering in Windows - Microsoft Support
Press Ctrl + Alt + Delete to open Task Manager.If you don’t see Task Manager after pressing Ctrl + Alt + Delete, press Ctrl + Shift + Esc to open Task Manager.. If Task Manager flickers along with everything else on the screen, a display driver is probably causing the problem.
Change desktop background and colors - Microsoft Support
Select Start > Settings > Personalization.The preview window gives you a sneak peek of your changes as you make them. In Personalize your background, you can select a picture, a solid color, or a slideshow of pictures you create.Or you can choose Windows spotlight to see a new image from around the world every day.
新しいMicrosoft Edgeに更新する - Microsoft サポート
デバイスに対する管理者特権がない場合はどうなりますか? 新しい Microsoft Edge に完全にアップグレードするには、管理者アカウントを使用してデバイスにサインインする必要があります。
Windows aktualisieren - Microsoft-Support
In Windows 11 entscheiden Sie, wann und wie Sie die neuesten Updates erhalten, damit Ihr Gerät reibungslos und sicher funktioniert. Um Ihre Optionen zu verwalten und verfügbare Updates anzuzeigen, wählen Sie Nach Windows-Updates suchen aus. Oder wählen Sie Start > Einstellungen > Windows Update aus.. Nachfolgend sind einige andere Informationen aufgeführt, nach denen Sie möglicherweise ...
Find my downloads in Windows 10 - Microsoft Support
To find downloads on your PC: Select File Explorer from the taskbar, or press the Windows logo key + E.