It's the left control key.
its the top button which is a not a flat just a
2 flats B-flat and E-flat
Fb is fingered as E natural. So a low octave Fb is 1 and 2 and a high octave Fb is open.
B flat Major has 2 flats and G Minor has 2 flats.
On a standard Bb trumpet, the fingering for a bottom-line Eb is 12 and the fingering for all higher Ebs is 2.
The launch button for Windows is the Start button on the bottom left corner.
the F1 button
Nuke launch button
Current versions of Microsoft Windows contain a Start button, Quick Launch toolbar, taskbar, button area, and the tray status area. So do various implementations of Linux distributions.
Press the fire button
Start button.
Click the launch tutorial button and follow all the guides.
A button
Assuming you mean the "Show Desktop" button, you right click the start back and click "Properties" then check "Show Quick Launch".
You have to launch all the landers and it will refuel and then at the spot where you turn on the power theres a button click it. The rocket will take off. (if you have a ray gun you can shoot it down)
It was important to land on a flat surface, as it would help for a launch of the lunar module , for docking with the command module.
Quick launch