You can get latest stable version here, too, using this
direct download link for FlashGot
To install, just drag and drop it onto your address bar.
If you find any problem installing it, this FAQ may help.
If you're brave enough and you need a specific fix not released yet, or you simply
want to provide feedback before official release, you may try this
v 18.104.22.168rc1 ===================================================== x Removed any "for each()" usage for Nightly compatibility (thanks Romani for reporting)
You can also discuss about FlashGot on this Forum.