How to turn on bitlocker?

First insert pen drive in your computer

Select your pen drive and right click in here select 
"TURN ON BITLOCKER"

Bitlocker starts it's work

Tick on use a password to unlock the drive 
next give your password twice and then click on next

On next window select save the recover key to a file
If you have a printer means you can also print the recover key

In this window select where you want to save the recovery key of your password 

This process is used to if you forgot your password means copy the recover key and paste it on the password box and hit enter on this way you can able to change your password

Next click on start encrypting

This process may take some mins to encrypting 

When the encryption is finished the bitlocker icon is showed in your pen drive 
Finished now your pen drive will be protected 

On this process you can also lock your other local drives in your computer....
This bitlocker option only on Windows enterprise and Windows ultimate type operating system and above these operating system only
Once your pen drive turn on bitlocker using above the operating system and insert to other type of operating system means it ask for the password....