In Windows 10, when you click on the File Explorer in task bar, it opens quick access items by default. Quick items consist of frequent folders and recently opened files. The Quick Access view is similar to the ‘All My Files’ option in Mac OS X, showing users their frequently accessed folders and documents. This may seem a good option if you open the file explorer for frequently opened items.
In Windows 7 and Windows 8, File Explorer opens by default to the ‘Computer’ or ‘This PC’ view, respectively, giving users an overview of their home folders, local drives, and network locations.
If you are running Windows 10 and want to change the default behavior of Windows File Explorer, Make File Explorer open to This PC instead of Quick Access you may follow the steps below.


Setps To Make File Explorer open to This PC instead of Quick Access

Using Folder Options

The option of changing the File Explorer default from Quick Access to This PC can be accessed from Folder Options.
To open Folder Options, follow the steps below:
click on start menu and select file Explorer or  Open File Explorer useing key board  (Windows key + E) and go to View tab Select Options from the ribbon



Now Under General Tab, next to “Open File Explorer to:” choose “This PC.”


That's all  when you launch a new Explorer window, you’ll start at This PC, which you’re probably used to from past versions.

Using Windows Registry
You can change the same setting as mentioned above using the Windows Registry. This is especially useful for System Administrators who want the same setting to be distributed across the network.

First To open Registry Editor click on start menu and type Regedit and click on it.
This will present Registry window on your screen.


Now Navigate to following Registry key

HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced

From the right hand pane, double click Launch To entry to edit and change its value from 2 to 1


The setting is instant and you don’t need to restart Windows Explorer for the setting to take effect.
Now, when you launch a new Explorer window, you’ll start at This PC, which you’re probably used to from past versions.