New Mac setup

First and foremost

Open Safari, search for Google Chrome, download and install, remove Safari from the Dock.

Screenshot defaults

Remove the drop-shadow from screenshots

Enter the following in Terminal, hit the return key after each line.

defaults write disable-shadow true
killall SystemUIServer

To re-enable the shadow in screenshots replace true with false

Change Mac screenshots from png to jpg

Type the following in Terminal to set the default screenshot format to jpg

defaults write type JPG
killall SystemUIServer