You can install BlueStacks Offline Installer for Windows 7 1GB RAM and no graphics card is required. With BlueStacks, you can install any Android app of your choice on your Windows 7, 10, 8, 8.1 PC. BlueStacks has proved itself as one of the most powerful Android emulators for Windows PC. With BlueStacks offline installer, you will get all the graphics and game data along with the installer file..