In Windows 8 / 10 versions, launching the File explorer places you in Quick access window instead of legacy “My Computer/This PC”. This post will help you to configure the File explorer to open up “This PC” instead of quick access, so your requirement is fulfilled.
Launch File explorer which land you into quick access window as below:
Right click on the “Quick access” as below to launch the Options menu.
Change the Option “Open File Explorer to:” to This PC from drop down menu. Click on Apply and hit OK. This will configure the file explorer to launch This PC instead of Quick access.