You may need the following viewers in order to open downloaded files.
Evaluation versions of the products are stored in 'self-extracting zip files' - when you 'click' on these items, (identified by the ICON shown on the left), your browser will prompt you to 'Save it to Disk' or 'Open it'.
Save the evaluation to disk, find the file on your PC and 'double-click' on the filename, the self-extracting process will run and store the contents of the 'zip file' in your chosen location. You can then run the 'SETUP.EXE' to install the evaluation.
PowerPoint files can be viewed for free using PowerPoint for the Web.
Word files can be viewed for free using Word for the Web.
PDF documents can be viewed for free in modern browsers or using Adobe Acrobat Reader.
Product Help files should be viewable without additional file viewers.