Not many applications can work right after you copy them onto your hard drive. The majority require you to create an installation by means of a software installer.

When you get some program, it is sometimes delivered in an achieved distributive form.

Programmers who wish to save time or customer support service costs you can choose to employ an open source or commercial installation maker.

Microsoft has made the Windows Installer for its Windows system that lets developers making install with ease.

There are a number of other commercial installation software programs you can find for Windows XP: InstallShield, Smart Install Maker and some others.

A lot of such applications make packages that offer a consistent experience for users installing different applications.

Not happy with commercial install creator software? Those who prefer open source programs can have a look at Innosetup and a couple more programs that can be obtained for free.

These days software becomes multisystem.

Making setups for different systems usually requires quite a bit of effort on the part of developers.

Developers ought to produce and test each installer for each platform.

The good news is, though, that you there are alot of cross-system install maker programs.

For instance, InstallAnywhere that is a commercial install creator, or an open source Java install generator for different platforms named IzPack.

If something has been placed onto your computer one time, may have to be uninstalled some time later.

In the past some applications contained no uninstallers, so some third-party uninstallers were to be used.

Nevertheless, nowadays most software applications have more or less adequate uninstallers, so you need not think a lot about getting a different program to delete stuff off your hard drive.

Nonetheless 3rd-party uninstallers have not vanished just yet.

One of the reasons for that is that a few applications choose not to erase themselves entirely leaving some features behind.

Trojan and spyware solutions pose one more challenge to your PC.

Such a application does not delete itself voluntarily, so some assistance from a specialized uninstaller might be required.

Uninstallers usually have some extra abilities such as a cache and temporary files manager, and so on.