You can use the hashrate of your own computer to mine bitcoins. But due to huge number of miners , difficulty of blockchain and high hash rates of ASIC its nearly impossible to mine Bitcoin for profitability. How can you compete with your 100H/s against 1TH/s ? If you have free electricity then you can get some sort of profit. Where as you can mine Altcoins or Alternative Cryptocurrencies such as Monero , Bytecoins , DASH , Ethereum etc. You can wait for them to turn into Gold or you can convert them to Bitcoin using
All you need to do is Register,DownloadGUI Miner for Windows/Linux and start mining. They also offer “Smart Miner” which automatically mines altcoins based on current exchange rates.