The New Search Bar in the Windows 10 is pretty decent and it take too much space on the Taskbar. To Hide the Seach Bar just Right Click on the Taskbar Move the Mouse pointer To Search option then Select Hidden. To remove the Task View Icon . Just Right Click on Taskbar and Uncheck the Show Task View Button. to open the Search box when when it is Hidden Just Press ' Windows + S ' and Also you can Switch Task by Pressing the ' Windows + Tab ' Key in Keyboard.
How to Remove Search bar and Task View in Window 10
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Quick Tip
Windows TipPress Win + X to open the Quick Link menu for instant access to Device Manager, Disk Management, and other admin tools without digging through Settings.
Windows Troubleshooting