Look at the top-right corner of the browser address bar. You will see a small icon that looks like a monitor with a downward arrow (or a plus sign inside a circle). This is the "App available. Install LinkedIn" button.
Open the app from your Start menu or taskbar. Type "LinkedIn" into the search bar at the top. linkedin app for windows 11 download
While this doesn't cover your News Feed or messaging, it is a legitimate app download from Microsoft. Look at the top-right corner of the browser address bar
When you install the LinkedIn PWA, you are granting specific permissions. You can manage these just like any other app: linkedin app for windows 11 download