If your current version of Mac OS X is 10.4 (Tiger) or 10.5 (Leopard) then it will cost around $29 (£26) to buy the update to 10.6 (Snow Leopard). Snow Leopard only works on Macs with an Intel processor and will not work on older G4 and G5 Macs which can only upgrade as far as Leopard.
version 7
The standard OS for a PC is Windows, and the latest version is Windows 7.
Win 7
17.0.963.56
The latest version of Symbian OS is Nokia Belle and was released in August of 2011. It will be the last version as it was announced that Symbian would no longer be making smartphone technology.
The latest released version of Android is 4.4.4
iphoto '08 version 7.1.5
As of December 19, 2010 latest version is Mac OS X Snow Leopard 10.6.5, Build 10H574.
How many licenses are usually included when you purchase applications or OSes
The latest version of Maya (2017) requires OS X 10.10.5 if that's what you mean.
The latest versions are4.1 for Windows2.0 for Linux2.7 for Mac OS X
The latest trend in operating system is the ability to connect with most devices. These is what is known as compatibility of the operating system.