You are using Windows 7 Ultimate 32-bit SP1
32-bit is limited to 4 GB ram. Therefore even if it were physically possible to install more ram on motherboard unfortunately your Windows-32 bit OS can't make use of any over it's limitation of 4 GB.
Pokémon Sword and Shield preview
Best Office Chairs for the Studio and Home
macOS Catalina Preview: First look at the new Mac update
Que faire si votre iPad ne se charge pas ?