If some Windows functions aren't working or Windows crashes, use the System File Checker to scan Windows and restore your files. Though the steps below might look complicated at first glance, just follow them in order, step-by-step, and we’ll try to get you back on track.

This article covers error codes that are generated by Device Manager in Windows. You probably reached this article because Device Manager or another tool like DXDiag reported an error code, and you are not sure how to resolve it.

Fixes an issue in which applications that use the MFC library of Visual C++ 2013 may behave incorrectly when the operating system is in high-DPI mode.

Add a new email account. Select Start , enter Mail, and choose the app from the results. If this is the first time you've opened the Mail app, you’ll see a Welcome page. Select Add account to get started. If you've used the Mail app before, at the bottom of the left navigation pane, select Settings , and then choose Manage Accounts.

If you have a Microsoft subscription with recurring billing, you can change how you pay at any time. You can also cancel or turn off recurring billing for a Microsoft subscription. Sign in to Services & subscriptions with your Microsoft account.

Calculate the difference between two dates. Use the DATEDIF function when you want to calculate the difference between two dates. First put a start date in a cell, and an end date in another. Then type a formula like one of the following.

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 ...