Learn how to check if your PC is capable of running TPM 2.0 or how to enable TPM 2.0 to upgrade to Windows 11.

To download the offline installer for Internet Explorer 11, choose your language and system below.

Sign in to SharePoint. SharePoint is a browser-based app that you connect to through your web browser, like so: Go to office.com, and sign in to your work or school account. In the upper left corner of the window, select the app launcher > All apps > SharePoint. Tip: If you don't see the SharePoint app under All apps, use the Search box near ...

如果你已兑换产品密钥，只需重新安装应用，或者知道你已通过工作或学校分配了许可证，则可以跳到登录部分 ，下载并安装 Microsoft 365 或 Office 。 但是，如果是 首次 安装 Microsoft 365 或 Office，可能需要先执行一些步骤。 展开下面的“ 了解详细信息 ”部分获取详细信息。

Keeping Bing as your default search engine provides an enhanced search experience in the new Microsoft Edge , including direct links to Windows apps, relevant suggestions from your organization if you’re signed in with a work or school account, and instant answers to questions about Windows. However, you can change the default search engine to any site that uses OpenSearch technology.

Learn how to install Office 2010, or install and remove individual Office programs or components for both 32-bit and 64-bit versions of Office.

Some sites are built to work with Internet Explorer and have functionality that isn't supported by modern browsers such as Microsoft Edge. If you need to view one of these sites, you can use Internet Explorer Mode in Microsoft Edge.

Learn how to find your Windows product key for activation or when to use a digital license instead.

Use System restore to make restore points when you install a new app, driver, or Windows update, and when you create a restore point manually. Restoring won’t affect your personal files, but it will remove apps, drivers, and updates installed after the restore point was made. To go back to a restore point: Use System Restore

Add a new Yahoo email account. On the View tab, select View settings. Select Accounts, then Email accounts. Tip: If your Settings window doesn't look like this, you might be using classic Outlook. Select + Add Account. Enter the Yahoo! account you want to add and select Continue. On Sync your Yahoo account, select Continue.