Step 1. Open any web browser on your computer and go to https://lastpass.com/delete_account.php
Step 2. Click on “Delete” as shown below:
Step 3. A pop-up will ask if you remember your Master Password. Select “Yes” if you remember it.
Step 4. Another dialogue box appears with your email-address, asking you to insert your Master Password. After inserting that, choose the appropriate reason for deletion and click on “Delete” to confirm deletion of your Account.
Step 5. Alternatively, if You don’t remember the Master password, click on “No” against the pop-up, as shown below:
Step 6. The next pop-up asks you to insert your email address for further procedure of deletion. Enter your email id and click on “Send Email”
Step 7. An Email is sent to your id to ask for the confirmation. On confirming it takes you to the same page like earlier
Step 8. You can follow the same procedure as mentioned earlier and delete your LastPass account.