Its Value data contains three terms, out of which first one sets default printer for your Windows OS. In the right pane of Windows registry key, you should find Devices registry string ( REG_SZ). In the Registry Editor window, navigate to following registry key: HKEY_CURRENT_USER\Software\Microsoft\Windows NT\CurrentVersion\Windowsģ. Press + R and put regedit in Run dialog box to open Registry Editor (if you’re not familiar with Registry Editor, then click here).