i can't uploading to arduino yun through wireless network..

hello? i'm park.

i'm studying arduino.
but i have little problem.

i want to upload sketch through wifi connection.
when i use my desktop, it works well.

but when i use my notebook. [tools] - [port] menu was disable..

i'm using arduino software version 1.5.8 (desktop, notebook same)
my notebook and desktop using Windows 8.1 (same OS)
only different is
notebook is 64bit marchine, desktop is 32bit marchine..

how can i solve this problem..?
please help me.

p.s : i can't speak english well.. i'm korean and i didn't have learned english..
i think that people read my question hard.. i'm so sorry