Extensions for SketchUp 2017 installation problems

2017
sketchup
extensions
window
extension

#1

Can Anyone tell me where i can install extensions in SketchUp 2017. The voice extensions in the window, preferences is missing!! where has it gone>?
Thanks!!


#2

Window/Extension Manager


#3

What Box said as well as Extension Warehouse in the Window menu.


#4

Thanks a lot!!