Postgres for Windows

Hi,
   I need install Postgres for wind
ows. I donwload the binari files but i can't run the postgres.
The messenger follow see :

C:\Archivos de programa\PostgreSQL>pgsqlstart
El sistema no puede hallar la ruta especificada.
bash.exe: warning: could not find /tmp, please create!
     18 [main] bash 2012 init_cygheap::etc_changed: Can't open /etc for
checking
, Win32 error 3
bash: /cygdrive/c/Archivos de programa/PostgreSQL/bin/pg_ctl: /bin/sh:
bad inter
preter: No such file or directory

C:\Archivos de programa\PostgreSQL>

we cant help me please. Do you know where i can read the tutorial
installl Postgres for windows.

Thanks.