Google now offers the ability to download your search history.
First, visit history.google.com/history when you're logged in to your
account. Then look for the options icon, and click download.
You'll be prompted to create an archive, and your history will begin
downloading — it's as simple as that. The archive will be saved to
your Google Drive in the form of a zip file that can be saved to your
Of course, you'll need to have your search history option turned on
for the feature to work. If you've opted out of keeping a record of
your search history, you'll find nothing available.