Add, turn off, or remove extensions in Microsoft Edge
In Microsoft Edge, go to the Chrome Web Store. Search for the extension you want and open its product details page by selecting its tile. Select the Get extension button on the banner at the top of the page or the Get button on the page.
Install, manage, or uninstall apps in Microsoft Edge
With Microsoft Edge, you can install and manage applications from your favorite web sites onto your devices for fast access. Use the edge://apps page to see your installed applications and manage app permissions.
Applies To: Microsoft Edge
How to install programs from online sources on Windows
You should download and install programs only from trusted publishers and retail websites. In your web browser, select the link to the program. Select Save or Save as to download the program. Most antivirus programs like Windows Defender will scan the program for viruses during download.
Why are some of my extensions missing on the new Microsoft Edge?
Go to the Chrome Web Store. Select Allow extensions from other stores in the banner at the top of the page. Select the extension you'd like to add, and select Add to Chrome. At the prompt showing permissions required by the extension, carefully review the permissions, and select Add extension.
How to troubleshoot Windows Installer errors - Microsoft Support
Describes how to troubleshoot problems that occur when you install, uninstall, or upgrade a program on a Windows-based computer by using Windows Installer.
Use the web version of Outlook like a desktop app
You can install the web version of Outlook—either Outlook on the web or Outlook.com—as a progressive web app in the new Microsoft Edge and Google Chrome.
Applies To: Outlook Web App for Office 365, Outlook Web App for Office 365 Small Business, Outlook on the web, Outlook.com, Outlook on the web for Exchange Server 2019
Why does Microsoft Edge turn off extensions I've installed?
You can change settings for your extensions at any time. To turn on an extension: At the top corner of the browser, select Settings and more > Extensions. In the Extensions popup window, select Manage extension. Locate the extension you'd like to turn on, then select the toggle to turn it on.
Uninstall or remove apps and programs in Windows - Microsoft Support
There are different ways to remove apps and programs, so if you can't find the one you're looking for, you can try another location. Note that some apps and programs are built into Windows and can't be uninstalled. You can try to repair a program first, if it's just not running correctly.
How to enable JavaScript in Windows - Microsoft Support
This article describes step for users to allow all Web sites in the Internet zone to run JavaScript in Internet Explorer, Chrome, and Firefox.
Use ActiveX controls for Internet Explorer 11 - Microsoft Support
Internet Explorer might not be set up to download or run ActiveX controls for security reasons. Changing some advanced security settings will let you download, install, or run the control, but your PC might be more vulnerable to security threats.