Free Software
Adobe Reader (view .pdf files)
Download this free software to view files that your teachers post on their webpages and universal files and manuals from the internet.
Adobe ".pdf Creator" Software
Download this software to create .pdf files that can be read anywhere. Simply select "pdf creator" from your printing option drop down window, and save it in a file that can be viewed by anyone.
Open Office Productivity Suite
Download from the open office website. This freeware includes a very functional word processing, presentation and spreadsheet software programs. Check it out and save the files in a format that your teacher can read.