How to install programs from a disc - Microsoft Support
Alternatively, if installation doesn't start automatically, browse the disc to find the program setup file, usually called Setup.exe or Install.exe. Open the file to start installation.
How to install programs from online sources on Windows
How to install programs on Windows from online sources, such as from the internet or the Microsoft Store app.
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.
Fix problems that block programs from being installed or removed
The Program Install and Uninstall troubleshooter helps you automatically repair issues when you're blocked from installing or removing programs.
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 check if an app or program is installed in Windows
To find out if an app or program is installed in Windows, select Start > Settings > Apps.
Install and use a scanner in Windows - Microsoft Support
Learn how to install a scanner and then use it to scan pictures and documents in Windows.
Security Update for Adobe Flash Player: February 11, 2020
This security update resolves vulnerabilities in Adobe Flash Player that is installed on any of the Windows operating systems that are listed in the "Applies to" section.
Turn on Adobe Flash in Microsoft Edge - Microsoft Support
Learn how to enable Adobe Flash in Microsoft Edge.
Security Update for Adobe Flash Player: June 9, 2020
This security update resolves vulnerabilities in Adobe Flash Player that is installed on any of the Windows operating systems that are listed in the "Applies to" section.