Add to Chrome.
Click 'Add extension' above.
The installation process takes less than 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 $24 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.