The Funan Centre on North Bridge Road is a good place to start your shopping. There are also many excellent mail-order deals to be had via the Internet. The availability of educational software for both DOS and the Windows operating systems is abundant in many forms ranging from curriculum oriented packages through basic word processing and graphics programmes to the popular 'edutainment' and encyclopedia bundles. Much of this software is available for downloading to your computer from the Internet and much of it is free. One has to be careful in the consideration of what may, or may not, be termed 'free' software.
Most developed countries have strict laws concerning software piracy and rightly so.
This is yours for the taking and using. It is free of charge. This is available for downloading on a trial basis and may be a full working version, a time-limited version or a version incomplete in all features. Whatever, at the end of the trial period, and if you like it, you must pay the author or remove it from your machine. The Web is a vast network of many different computers, using many different operating systems, communicating together via a graphical user interface provided on your computer by programmes called browsers.