Where to dowload a GNU/Linux distribution?
To download a GNU/Linux distribution, you can either use the mirror websites or the Official website. The mirror websites are really useful when the server is overloaded.
you will find all the GNU/Linux and FreeBSD distributions.
Here below, some links:
What should you download?
The file(s) to be downloaded will have the .iso extension! You will choose your download according to several criteria.
old (these are older versions)
stable (the latest stable version of the distribution)
release (New version with improvements)
Night or Weekly build (For Debian every week, usually on Monday)
Test versions (there are distributions that make available as test versions - for example Debian)
The architecture of your machine (i386, i486, i586, i686, amd64, x86_64 etc.).
Image type (CD, DVD) What plate-form/architecture to choose from?
In most cases, it will either be a processor of the Intel or AMD family (32 or 64 bits).
For more information:
In reality, you do not need to know too many details about the microprocessor.
For a Pentium or Athlon 32-bit
you can choose i386, i486, i586, i686.
For a Pentium 64-bit
you can choose i386, i486, i586, i686 or x86_64 (you can install a 32-bit version for Linux on 64-bit architecture)
For an Athlon 64-bit
you can choose i386, i486, i586, i686 or amd64 (you can install a 32-bit version for Linux on 64-bit architecture)
For a Mac
you can choose PowerPC (ppc) or PowerPC 64.