I installed BF2 thanks to S_h_a_r_k93 but the servers I looked in..there were only bots no players in every server but just few has real people

The fake clients will have zero ping, they are needed for the game to start although some communities abuse them. You can see them with ping zero in the web server browser: www.bf2hub.com/servers/ranked.

Staff Officer S_h_a_r_k_93 

Thanks. I'm gonna see now

Uhh I do not understand the icons

I suppose you mean the server browser icons:


Row 1: Red bar, sometimes green, is the server load
Row 2: Grey bar is actually a computer, it means server is Windows,
    then there's a penguin for Linux and 64 for 64-bit Windows
Row 3: Red number 2 means Battlefield 2, green number 2 means Special Forces
Row 4: Yellow arm patch bars, shows it is a ranked server
Row 5: Earphones show if voice over ip is supported
Row 6: Punkbuster icon is obvious shows that PB is enabled server-side
Row 7: Green TV means that battlerecorder demos are available

[Source]

Do you still have problems with the fullscreen?