Open Registry Editor (Regedit (Start- Run- Regedit)) and choose or navigate to
HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Policies\Explorer
Modify/Create DWORD Value of Data type REG_DWORD Named "NoViewContextMenu" Setting for Value Data: 0 or 1 (0 = Enabled / 1 = Disabled)
Close Registry Editor and reboot or restart your PC.