Add to Chrome.
Click 'Add extension' above.
The installation process should take less than a minute.
Next, you'll Create an Account.
You might also find your answer in the LastPass Enterprise Manual.
How much does LastPass Enterprise cost?
The price for LastPass Enterprise costs $48 per year for each license and goes down at volumes.
You can find the pricing sheet here - https://lastpass.com/enterprise/pricing-roi
Please note this is only for Enterprise licenses--LastPass Premium only costs $12 per year per user.