Summarize the following:
Windows displays all of your running programs on the taskbar, which is the long bar (between the Start menu and the clock) that runs along the bottom of the screen. If you’ve got an app open, its name and/or icon appears on the taskbar.  To minimize a window to the taskbar, - near the top-right corner of the app. To bring an app into view, click its name or icon on the taskbar. To close an app from the taskbar without bringing it into view, right-click its name on the taskbar, then click Close window. To change the way apps appear on the taskbar, right-click the area with the clock, then click Taskbar settings. Once you can see all of the apps together, you can simply click on the one you want to bring into focus. Here are three ways to open Task View:  Click {"smallUrl":"https:\/\/www.wikihow.com\/images\/8\/8b\/Taskview.png","bigUrl":"\/images\/thumb\/8\/8b\/Taskview.png\/41px-Taskview.png","smallWidth":460,"smallHeight":337,"bigWidth":"41","bigHeight":"30","licensing":"<div class=\"mw-parser-output\"><p>Task view icon.\n<\/p><p>License: <a rel=\"nofollow\" class=\"external text\" href=\"http:\/\/en.wikipedia.org\/wiki\/Public_domain\">Public Domain<\/a><br>\n<\/p><\/div>"} toward the left side of the taskbar. Press ⊞ Win+Tab ↹. Swipe three fingers up on the touchpad. This shortcut minimizes all open apps at once, making it easy to access your desktop quickly when you need it.

Summary:
Check the taskbar to see what’s open. Use Task View to view all opens apps on the same screen. Press ⊞ Win+D to view the desktop.