Because of its design, Puppy Linux is ideal for any computer system, regardless of its age and architecture: essentially, just about any computer, including original Pentium processor based PCs, will do. With that in mind, you can focus your primary efforts on obtaining the distribution, which can be obtained from a number of web sites and mirrors. Puppy Linux has two official sites: www.puppylinux.com and www.puppylinux.org. The latter provides more information and links, making it my recommended starting point.

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The "Download" link on the Puppy Linux website located at
www.puppylinux.org, offers official releases of the distribution alongside Puplets and additional software. Puplets are customized versions of official releases that are shared by its creators. They are highly customized and often themed for specific uses. While they are "neat" and often useful, this makes for a bloated version of the original versions, sometimes by as much as 3 times its original size. For this reason it is best to download the official release in its original version. This will also allow users to get better acquainted with the product and eventually inspire you to make your own customization and modifications to Puppy Linux.
The downloads are ISO files that require users to burn their own CDs for installation. While this may appear to sound complex, it is quite simple and will be covered in more detail in another part of this multi-part series. But if downloading and CD burning is not your thing at this time, there is also the option of buying a CD with the distribution ready to go from Puppy Linux directly. But you must go to www.puppylinux.com to purchase the CD for a mere $9.00, making this a very affordable alternative. But whatever method you choose will result in the acquisition and the very first step of your Puppy Linux journey.
In the next article, I will show you how to choose the right PC for the installation.