A:AnswerIt's automatic. Windows will test the speed of it in the background. If it qualifies as Readyboost drive, then Windows system will ask if you want to use it as a Readyboost drive. If it does not work with Readyboost then you won't get request to use a Readyboost drive.
A:AnswerYou probably need to format it so its compatible with your Mac. I'm surprised it didn't come that way, but best thing to do is try reformatting it in Disk Utility.
A:AnswerThe encryption and password protection software is pre installed on the flash drive. When you run it you will be prompted to download latest version. It very simple to use.