Be aware that no direct download is provided, only an online installer, so portability is off from the get-go.
https://cliqz.com/en/desktop wrote:Ultra-safe and ultra-fast. Experience a new dimension of surfing with the Cliqz browser.
Surprisingly, Cliqz also exists as a Firefox add-on (https://addons.mozilla.org/en-US/firefox/addon/cliqz/) making the following info relevant for XP users...
https://cliqz.com/en/support#can-i-use-cliqz-on-windows-xpvista wrote:You can install the Cliqz extension for Firefox on ESR. Add an ad-blocker and HTTPS Everywhere, and you’ll end up with a similar package as the Cliqz browser.