As a Windows user

Don't you dare to say PC! Damn you, don't even know of the OS you are using.
  1. Search for it, click on first software directory website, go through a few pages, close it, try second website...
  2. Download it.
  3. Double-check with anti-virus software.
  4. Triple-check with another anti-virus software.
  5. Install it while praying that it really doesn't contain any viruses.
  6. Run it.
  7. Figure out which Next button to click...
  8. Job done.

As a Mac OS X user

You... uhm... I got nothing to bitch.
  1. Go to App store.
  2. Search for it.
  3. Slide, Slide, and Slide.
  4. Pay for it.
  5. Install it while paying for additional copies for your i[whatever] and i[whocares] and i...
  6. Run it.
  7. Job done.

As a Linux user

Alright, GNU/Linux user, happy?
  1. Search for it with package manager.
  2. Install it.
  3. Run it.
  4. Job done.
or
  1. Search for it.
  2. Download source tarball.
  3. Compile it while joining on #[channel].
  4. Install it.
  5. Run it.
  6. Job done.
or
  1. #!/bin/bash or whatever Shebang line you nerd at.
  2. Code it.
  3. RTFM.
  4. Test it.
  5. RTDFMA (Read The Damn  Fucking Manual Again).
  6. Fix it while cursing why a library sucks.
  7. Run it.
  8. Job done.
Please don't take anything above seriously, just for fun and they may not all be true.