The safest place to save a file is the desktop since it is easy to find. Downloading a file does not expose you to a virus. After the file is in your computer, scan it with an anti-virus program before opening the file. A .pdf file can only be read by Adobe Acrobat Reader. Many of the necessary programs are free to download on the web.
Many software companies provide readers free to download off the Net.
Microsoft provides readers for Word, Excel and Access. These readers do not allow you to modify the file, just read and print it. Some files are in compressed format, most common being .zip. For instructions on unzipping these files, Click Here . Click the link for detailed instructions on using Copy and Paste .