Including the latest version!
1) Download and install Sublime 3
2) Open it
3) Click "Help" and then click "Enter License"
4) Paste the following code into the text box:
----- BEGIN LICENSE ----- K-20 Single User License EA7E-940129 3A099EC1 C0B5C7C5 33EBF0CF BE82FE3B EAC2164A 4F8EC954 4E87F1E5 7E4E85D6 C5605DE6 DAB003B4 D60CA4D0 77CB1533 3C47F579 FB3E8476 EB3AA9A7 68C43CD9 8C60B563 80FE367D 8CAD14B3 54FB7A9F 4123FFC4 D63312BA 141AF702 F6BBA254 B094B9C0 FAA4B04C 06CC9AFC FD412671 82E3AEE0 0F0FAAA7 8FA773C9 383A9E18 ------ END LICENSE ------5) Click "Use License".
That's it!