Just add cryptotab extention to google chrome and keep up open to mine bitcoin. However, you can close this extension window and you will continue to be mining.
Join the work yourself
Join 10 other people in your referral link
And tell them ten people join their referral link
To make There is no need to do anything
Get 100% payment. Join and earn bitcoin from the following link.
https://getcryptotab.com/520864
If anyone have question on it please placed on comment section. Thank you all.