Add to Chrome.
Click 'Add extension' above.
The installation process should take less than a minute.
Next, you'll Create an Account.
What is the "Enable Fast Decryption" option in my LastPass Android app settings?
The "Enabling Fast Decryption" option in your LastPass Android app settings means you are using the fastest decryption possible when viewing or using your stored data. The only time you would want turn this off is if LastPass on your Android were crashing.