If your computer is running a fairly new operating systems, such as Windows XP, Vista or even Mac OS X, chances are that it won’t be able to play any of the old DOS games that were originally designed for 16-bit systems.
There are however simple workarounds that will help you play your favorite DOS games on any modern computer just the way they worked on old 486 machines of the 90’s. The other good part is that you can download most popular DOS games from the web for free and legally.

Play Old DOS Games on your Computer

The easiest way to run DOS games on your computer is through DOSBox.

DOSBox, in simple English, is a free program that emulates an X86 based DOS environment on your new computer including speaker sounds, video graphics and other hardware. DOSBox is available for Windows, Linux and Mac OS X so you can practically use it to run DOS games on practically every computer.

You can simply install DOSBox via the command line but if that sounds too technical, there are graphical frontends for DOSBox that will let you run DOS programs through a simple GUI.

One of the most popular GUI frontends for DOSBox is D-Fend Reloaded. You can install this program like any other Windows application and it is ready for use immediately after the installation. To install a DOS game, simply use the import wizard or drag-and-drop the zip archive file (that contains the DOS program) into the D-Fend Reloaded window.

D-Fend Reloaded also offers game packages, containing both freeware and shareware DOS games, that you may install on your computer at once using a simple installer. You can play these classic games using DOSBox without having to configure anything.

Build an MS-DOS Virtual Machine for Playing Games

If the requirements are such that DOSBox emulators are unable to run your favorite DOS game, you can try running DOS inside a virtual machine using virtualization software like Windows Virtual PC, VMWare Player, or VirtualBox from Sun – they are all free solutions.

Microsoft offers a free copy of MS-DOS operating system that you may convert into a virtual machine or you can download the FreeDOS program from the Internet which is just like MS-DOS and completely free.

Once you have a virtual machine running DOS, you need a way to install DOS programs into the virtual machine. This can be done by burning a CD image of the DOS games and then attaching that CD image to the virtual machine.

Play DOS Games Online in the Browser

The installers for DOS games were initially distributed on floppy disks and the game authors may have never envisioned that people would be playing these games though the Internet without installation but that is exactly what you can do today.

JPC is a Java-based x86 emulator that can run some DOS programs on any modern browser with the Java plugin. The JPC site hosts a couple of popular DOS games including DOOM and Mario Brothers but for a more extensive collection, you should check out Classic DOS Games. The sites currently has 169 different games that you can play directly in any web browser that has the Java plugin installed.

JPC based DOS games may not run as fast as their DOSBox counterparts but there’s one advantage – you can try a game online before deciding if you want to download a copy to your hard drive.

Download DOS Games from the Internet

Now that you have everything in place to run DOS games on the computer, you are most definitely looking for some great games to play with.

Here are some popular sites where you can find and download most of your favorite DOS games, but since too many choices can be confusing, check this search engine that will help you search all the popular PC games’ websites from one place.

1. DOS Games – With over 500 classic titles, DOSGames.com is a great place to look for your favorite DOS games. You can run these games using the free DOSBox emulator discussed above. The site is actively updated so it is likely that more games will be added over time.

2. DOS Games Archive – DOS Games Archive is another useful site with a very large collection of DOS games. The sites provides screenshots of the DOS games, user ratings, violence ratings, cheat codes and you can also find out if a particular game is supported on DOSBox. Many of the games listed on the site were commercial games that were later released for free by the game publisher.

3. D-Fend Game Packages – If you chose to install D-Fend Reloaded with DOSBox, then you can easily access hundreds of classic DOS games using this easy installer. Each game package contains a collection of about a dozen or so games of the same category and you can have them all on your machine with a click.

4. Classic DOS Games – This site also contains a wide range of DOS games categorized by their Genre, Company, Year Released, etc. All DOS games listed on this site are freely distributable because they are shareware, freeware, or because the copyright holder has officially and legally released all rights to the public domain.

5. Good Old Games – This site specializes at re-releasing classic commercial games for modern PCs at reasonable prices. Their selection includes many popular DOS-based games that are packaged with DOSBox for a seamless game experience on Windows Vista and XP. If your looking for a commercial game that has not been released as freeware, this may be the best place to look for it.

6. Abandonia – As the title suggests, this site has a very collection of games that are under the category of “abandonware” or titles that are no longer sold /developed by the authors.

7. Home of the Underdogs – One of the most popular abandonware sites with reviews of over 5,300 games for DOS and Windows. Other than game binaries, the sites also offers manuals for a number of games that are no longer commercially available.

For offline reference, you may download this catalog of DOS games from Wikipedia that possibly includes every DOS title that has been released till date.

Let’s assume you have two computers at home and you want to connect them together so that you can easily share an internet connection between the two machines or transfer photos, music and other files from one computer to another. How do you do this?

Connect Two Computers Directly

There are two options – you can either buy a router or, if you are looking for something more simple and don’t want to spend money on new networking hardware, you can connect the two computers using a commonly-available cable. The latter method doesn’t involve any complicated network settings and you will still be able to share files, internet connection, and even printers between computers.

Things you need:
To set up this basic wired home network, all you need is an inexpensive Ethernet crossover cable and the other requirement is that network cards* (also known as LAN or Ethernet cards) should be installed on each of you computers.

This should not be an issue because network cards are available on most newer machines by default but if you are working with a very old computer, you can either attach an internal LAN card to your computer’s motherboard or go for a USB Network adapter that will turn a USB port into an Ethernet (RJ45) port.

An Ethernet crossover cable looks like a standard Ethernet cable but the internal wiring is a little different. You can purchase crossover cables at Amazon.com or from your local computer store. If you have trouble finding them, you can purchase an inexpensive crossover adaptor and that will let you use any standard Ethernet cable as a crossover cable.

Connect Computers with an Ethernet Crossover Cable

Before connecting the two computers with a physical cable, make sure that both machine are using the same workgroup*. Here is step-by-step guide that explains how you can change the workgroup of your computers.
Changing workgroup in Windows XP – From the Start menu, right-click “My Computer.” Select Properties in the drop-down menu, and then select the second tab that says “Computer Name” from the System Properties window. Now click the “Change…” button, enter a unique Workgroup name and reboot your computer.

Changing workgroup in Windows 7 or Vista – Open the Control Panel, type “Workgroup” in the search box, and select the entry that says “Change Workgroup Name.” Click the “Change…” button, enter a Workgroup name and restart the computer. Windows 7 users can skip one step; simply type “Workgroup” in the search box in the start menu, and select the first entry, then proceed as above.

Now that the workgroups are same for both computers, connect the two computers together using the Ethernet crossover cable. Simply plug-in one end of the crossover cable into the network adapter of Computer A and connect the other end of the cable to the network adapter of Computer B.
Windows will automatically recognize the new network, and you can now easily view files and folder that the other computer has shared. Simply open Networks from the Start Menu (or the Control Panel), and you should see the other computer by its name. You can then browse any shared files on the other computer, and can even utilize shared printers.

Troubleshooting – If you do not see the other computer under Networks, you probably have a prompt at the top of your Network window saying that Network discovery is turned off (screenshots below). Select “Turn on Network Discovery and File Sharing.” In the next prompt, select “No, make the network I am connected to a private network.” Now you should see the other computer on the home network.

While it is possible to share files between two computers connected with a crossover cable without making them part of the same workgroup, the method will only work if both computers have this network set as a private network, and may still cause problems. It is therefore advisable to have both computers on the same workgroup before sharing files and printers.

Share an Internet Connection Between Two Computers

There are scenarios where you may want to share the same internet connection between two computers. For instance:

Situation A - You have setup a Wi-Fi network at home but your old desktop computer doesn’t have a wireless network card. In that case, you can use the laptop to connect to the internet wirelessly and then share that same connection with the desktop over a crossover Ethernet cable.

Situation B – You have a netbook with a built-in cellular data connection. You can share that connection with any another computer at home through the crossover Ethernet cable.

Situation C – You use a (slow) Wireless USB modem with your laptop computer while your desktop is connected to an ADSL Broadband line and there’s no router at home. For any bandwidth intensive tasks, like when you want to backup photos from your laptop to an online service, you can connect the laptop to the desktop and things will happen much faster.

OK, let’s look at the steps required for sharing an Internet connection.
First, if you only wish to share internet connection and not files, both computers need not belong to the same workgroup. All you need to do is to connect the two computers with the Ethernet crossover cable, and then turn on Internet connection sharing in the computer that already has an Internet connection. The instructions vary for different versions of Windows:

For Windows XP – Select “Network and Internet Connections” from the Control Panel and click “Network Connections.”

Right-click on the network connection you wish to share (the one connected to the internet), select Properties, click on the “Advanced” tab, and then check the box that says “Allow other network users to connect through this computer’s Internet connection.” Click OK, and the second computer that you have connected to this computer with the Crossover Cable should have internet access now.

For Windows 7 and Vista – Open Control Panel, enter “network connections” in the search box on the top right and select “View Network Connections.”

Right-click on the network connection you wish to share (this must be the one connected to the internet) and select Properties. Select the "Sharing" tab and then check the option that says “Allow other network users to connect through this computer’s Internet connection.” Click OK, and the other computer you have connected to this Windows 7 or Vista computer should have internet access now.