All the links under this heading will deliver the original software manufacturer's website and not a third-party source. The sources are therefore reputable. Where available the link is to the relevant page.

You should read pages carefully and untick any boxes that might deliver a toolbar or saddle you with unwelcome newsletters. If you want them have them, as they are safe sources.

Manufacturers supply software to enable people to read documents, so that people like us will buy the software in order to convert documents or create multimedia presentations.