Not many programs can work immediately after you copy them onto your hard drive. A lof of them require you to create an installation by means of a software installer. The majority of solutions you come across these days are published as a distributive. For developers there are ample possibilities to make their releases more effective using commercial or freely distributed installation maker. Should you work with Windows platform, there is a popular program called Microsoft Windows Installer that lets developers making install with ease. IntstallShield and SetupBuilder are two more installation software solutions for Microsoft Windows platform. All of them may create the so-called packages that can let you install software on any Windows system. Not happy with commercial setup creator applications? There are also a some good open source applications available. Check out Clickteam Install Creater and Innosetup, to name a couple. A number of programmers choose to make their products work on different systems.

It is often a challenge to make various installation packages for some different systems. Developers should create and assure the quality of each installer, be it for Linux, Mac OS or Windows XP. The good news is, though, that you there are alot of multi-platform software installer programs. For instance, InstallAnywhere which is a commercial installation creator, or an open source Java install maker for different platforms called IzPack. A software distribution bundle often has to feature not only an installer creator, but also an uninstaller. A couple of years ago many programs could not be uninstalled correctly without the assistance of dedicated third-party applications. However, nowadays the majority of software programs have more or less adequate uninstallers, so you need not think a lot about obtaining a different program to erase things off your hard drive. But 3rd-party uninstallers have not vanished just yet. Another reason is that a few programs choose not to delete themselves completely leaving some files behind. One more trouble that these solutions could help with is erasing Trojan and spyware. Such a soultion does not erase itself voluntarily, so some assistance from a dedicated uninstaller might be required. If you care to find a better way to administer cache memory or temporary folders uninstallers can be quite useful. Installers: what are they and what do they do?