I wrote a blog post detailing how to migrate over from Sublime Text 2 over to ST3.
Read: “Can I use ST3 yet? Migrating to Sublime Text 3”
TLDR:
-
Use git to install the python3 branch of Package Control. Step by step instructions available here;
-
Move over all your folders in
Sublime Text 2/Packages/toSublime Text 3/Packages/except two:DefaultandPackage Control.