How to read these tabs? Guitar Pro, Power-Tab
Guitar Pro
Guitar Pro
is a multitrack tablature editor for guitar, banjo and bass. Besides writing scores, Guitar Pro is a useful resource for guitarists from beginner to experienced levels to progress, compose , or simply accompany themselves.
More information about Guitar-Pro here .
Download:
Guitar-Pro (Commercial)
;
DGuitar (Freeware)

Power Tab
Power Tab
is a tablature authoring tool for the Windows operating system. It is intended to be used to create scores for the two most popular forms of tablature found on the Internet: guitar and bass.
More information about Power-Tab here .
Download:
Power-Tab (Freeware)

If you want to read simple textual Guitar Tab, try this tutorial