A complete step-by-step tutorial on How to go about the

https://twitter.com/dolvenlabs

Testnet registration

https://twitter.com/MantaNetwork

Now open your chrome (laptop users) and open your kiwi browser (Android phone users). sorry iPhone users and search Argent X extension, after that click on the first link, just where the arrow is pointing

Next, you click on ADD TO CHROME and accept the conditions that pop up, after that you wait for some seconds while the extension is being added to your browser.