How to Replace/Update a video on Vimeo (in 23 sec tutorial)
Can't stand when someone does a 3-5min video to show you how to do something so simple and then ramble on.
So I'll put it here too:
Log in
Go to the particular video
Go to advanced settings
Go to general tab
Go to very bottom of general tab
Hit 'Replace Video'
Dont forget to update title if you need to
DONE!