Go to Tools > Internet Options > Advanced and under 'Browsing' select Enable third-party browser extensions then click Apply > OK.Internet Explorer – First, you must enable the allowance of third-party extensions, then enable LastPass:.Firefox – Go to Menu icon or go to Tools > Add-ons > Extensions > Enablefor LastPass.Chrome – Go to chrome://extensions in your Chrome address bar, then toggle on the switch to enable LastPass.Instructions for enabling LastPass will vary depending on your web browser, as follows: Confirm that LastPass is listed and enabled in your web browser extensions – If LastPass is listed but not enabled, you must enable it in order for the LastPass icon to display in your web browser toolbar.Reinstall or update the web browser extension – Go to to download the latest version of the LastPass web browser extension for your desired web browser.If you have created a LastPass account and installed the web browser extension but do not see the LastPass icon in your web browser toolbar, you can try each of the steps below until it appears.