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How to Install YouTube as Progressive Web App:
Step 1: You need to have Google Chrome or Edge browser installed on your PC or Mac. This will work even on other Chromium-based web browsers.
Step 2: Open the web browser and take a new tab and type youtube.com in the address bar.
Step 3: Now, you will see an icon next to the address bar (see image below). Click on this icon.
Step 4: When you click this, you will get a notification asking for confirmation on whether you want to install Youtube. Click ok and this will install YouTube as a PWA.
Step 5: If you are on Windows 10, you can pin this app to the taskbar or even in the start menu and quickly access YouTube as an application.
Step 6: If you are using macOS, you can see YouTube added to the application list and you can quickly pin to the dock or open YouTube as an application.