Since you want to learn to play the lead guitar, it is equivalent to wanting to know how to play the acoustic guitar. So if you see acoustic guitar tutorials, you can be sure that the tutorial also applies to the lead guitar.
These online guitar tutorials may be in written, video or diagram illustrated formats. Don’t be in a hurry to start looking for lead guitar licks, you should focus on understanding the basics of the rhythm guitar in terms of chords, scales and fingering pattern.
These lead guitar lessons for beginners are carefully explained so that you would easily understand the theories behind them.