The best way to figure out where to install it is to open ST3 and go to “Preferences > Browse Packages”. It'll open up your Packages folder. Make a note of this ...
My normal means of installing packages in Sublime is to Ctrl/Cmd + Shift + p to open the Command Palette, type Install, select the option for installing from ...
Command Palette. Open the command palette. Win/Linux: ctrl+shift+p , Mac: cmd+shift+p; Type Install Package Control, press enter. Menu. Open the Tools menu ...