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Full user review
"OK but there is better"
Will eventually update all of your drivers. It is free but several times while updating will offer you the chance to go pro.
Limited to 2 updates a day. The updates will be slower because you haven't gone with the free version. The other major free driver scanner program is faster and has more current updates and has fewer nags to go pro.
The second best of the free driver scanners and updaters available.