To unlock the in Live for Speed (LFS) version 0.6R , the only official and supported method is to purchase a license through the official LFS website. Official Unlocking Procedure
If you're interested in LFS but are hesitant to use unlockers, consider the following: lfs 06r s2 unlocker link download
Version 0.6R is an older build. Newer mods and community skins often require the latest version of the game (currently 0.7 or higher). An unlocker for an old version will keep you stuck in the past. How to Properly Unlock S2 Content S2 license To unlock the in Live for Speed (LFS) version 0
Some unlockers may require you to select the version of the game (in this case, LFS 06R S2) and choose the content you wish to unlock. lfs 06r s2 unlocker link download