While you may find sites offering "activated" or "cracked" free downloads of Lightroom 6.1, these pose significant security and legal risks. Official installers are no longer hosted on Adobe’s servers. Risks of "Activated" or "Cracked" Downloads

Downloading "pre-activated" or cracked software from third-party sites is highly discouraged by cybersecurity experts for several reasons:

Using unlicensed software is illegal and can result in civil or criminal penalties, as well as damage to your professional reputation. Official and Safe Alternatives