Have a look at the following links, as the information presented there might be helpful in your future endeavours into Mac OS X and could clear up initial confusion and may even prevent harm to your system or your files. Mac OS X Basics Switch 101 - guide with articles made by Apple on how to accustom yourself, after you switched to Mac OS X from Windows Mac 101 - How to get started with Mac OS X Find out how - tutorial videos made by Apple on how to do certain thing in Mac OS X Pro tips - tips made available by Apple for easier ways of doing certain tasks Mac OS X Keyboard Shortcuts - Learn about common Mac OS X keyboard shortcuts. Mac OS X Beginner's Guide by MacRumors - learn about software, media players, shortcuts and some useful tips, tricks and hints Mac Guides - tutorials, product guides and more MRoogle - a very effective tool to search these fora using Google and made available by edesignuk, introductory threads: 1, 2 and 3 About viruses and other threatening malware There are currently, as of today, NO (ZERO) Mac OS X viruses in public circulation. That may change in the future, but for the last ten years Mac OS X has been void of viruses. What is a (computer) virus: Wiki, HowStuffWorks.com, Department of Energy, Microsoft, AntiVirus Ware What is (computer) malware: Wiki, What is crime-ware: report by DHS For further clarification on existing threats for Mac OS X and the differences between viruses, trojans, worms and other kinds of malware: About file quarantine in Mac OS X v10.5 and v10.6 - files you download via Safari, iChat, or Mail are checked for safety when you open them Software for Mac OS X Uninstalling Applications Installing Applications. Links to Software Recommendation Threads Other useful links How to: Connect a MacBook, MacBook Air, or MacBook Pro to a TV Mac doesn't boot / Resolve startup issues and perform disk maintenance with Disk Utility and fsck / Troubleshooting: My computer won't turn on How to backup/copy/rip video DVDs to your HDD and transcode them to another format.