With the help of this extension you can earn,mine Bitcoin while browsing the internet, social media. You will mine BTC with Cryptotab browser. This is the easiest and faster way to earn Bitcoin without any hard and fast rules, less technical.
Simply browsing the internet can make you a decent amount of Bitcoin.
Also if you want to multiply your earning you can join their affiliate and xfaster your mining process. The more you invite people the higher is your earnings. There is a level wise earning milestone, if you complete the first level then you can move to the next level
Here are the links to download and start immediately