Determine whether your computer is running a 32-bit version or 64-bit ...
Use the 32-bit installer if you’re using a 32-bit version of Windows and the 64-bit installer with a 64-bit version of Windows. To determine which version of Windows you’re using, follow the steps in Method 1 or 2. If one method doesn’t work, try the other.
Applies To:
Skype for Business Online operated by 21Vianet
Install Project - Microsoft Support
Step 1: Sign in to download Project. Go to www.office.com and if you're not already signed in, select Sign in. Sign in with the account you associated with this version of Project. This account can be a Microsoft account (used with non-subscription versions), or work or school account (used with subscription versions).
Applies To:
Project Online Desktop Client, Project Professional 2021, Project Standard 2021, Project Professional 2019, Project Standard 2019, Project Professional 2016, Project Standard 2016, Office for business, Office 365 Small Business, Microsoft 365 admin, Project for Office 365
Choose between the 64-bit or 32-bit version of Office
With 64-bit apps, you have up to 128 TB of virtual address space which the app and any add-ins running the same process can share. With 32-bit apps, you might get as little as 2 GB of virtual address space which in many cases isn't enough and can cause the app to stop responding or crash.
Applies To:
Office 2021, Office 2019, Office 2016, 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 365 Germany - Enterprise, Office 365 Germany - Enterprise admin
Office 2021 and Office LTSC for Windows and Mac FAQ
Office 2021 and Office LTSC 2021 are the next perpetual releases of Office. They include improvements over Microsoft Office 2019 and earlier versions of on-premises Office. For more information, see the following frequently asked questions.
Applies To:
Office 2021, Office 2021 for Mac
Download and install Microsoft 365 Access Runtime
Download the Microsoft 365 Access Runtime which allows you to run Microsoft 365 Access applications if you don't have the desktop version of Microsoft 365 Access and need to use an application built to run with Access 2010 or later.
Applies To:
Access for Microsoft 365, Access 2021, Office 2021, Access 2019, Office 2019
32-bit and 64-bit Windows: Frequently asked questions
Find out how to choose between the 64-bit or 32-bit version of Office. Get answers to some common questions about 32-bit and 64-bit versions of Windows.
The .NET Framework 4.6.2 offline installer for Windows
The Microsoft .NET Framework 4.6.2 is a highly compatible in-place update to the Microsoft .NET Framework 4, 4.5, 4.5.1, 4.5.2, 4.6, and 4.6.1. The offline package can be used in situations in which the web installer cannot be used because of lack of Internet connectivity.
The .NET Framework 4.7.1 offline installer for Windows
The Microsoft .NET Framework 4.7.1 is a highly compatible in-place update to the Microsoft .NET Framework 4, 4.5, 4.5.1, 4.5.2, 4.6, 4.6.1, 4.6.2, and 4.7. The offline package can be used when the web installer cannot be used because of lack of Internet connectivity.
Microsoft 安全公告：不安全的库加载可能允许远程执行代码
Microsoft 已发布了 Windows 新的 API 增强功能，帮助开发人员正确、安全地加载外部库。. 有关详细信息，请访问以下 Microsoft 网站：. SetDefaultDllDirectories AddDllDirectory RemoveDllDirectory 以下文件可从 Microsoft 下载中心进行下载： Windows 7 更新程序 (KB2533623) 立即下载 Windows6.1 ...
Internet Explorer 下载 - Microsoft 支持
Microsoft Edge 是 Microsoft 推荐的浏览器. 对 Internet Explorer 的支持已于 2022 年 6 月 15 日结束。. Internet Explorer 11 已通过某些版本的 Microsoft Edge 更新永久禁用Windows 10。. 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。.