 
Application manager
Press ,
and
select
Tools
>
App. mgr.
. You can install
two types of applications and software to your device:
• J2ME applications based on Java technology with the
extension .jad or .jar (
).
• Other applications and software suitable for the
Symbian operating system (
). The installation files
have the .sis extension. Only install software 
specifically designed for your Nokia N73. Software 
providers will often refer to the official model number 
of this product: the Nokia N73-1.
Installation files may be transferred to your device from a 
compatible computer, downloaded during browsing, or 
sent to you in a multimedia message, as an e-mail 
attachment, or using Bluetooth connectivity or infrared. 
You can use Nokia Application Installer in Nokia PC Suite 
 
Tools
112
to install an application to your device. If you use 
Microsoft Windows Explorer to transfer a file, save the file 
to a compatible memory card (local disk).