There was a download of 12G-Complete 9.70 on the developer's website when we last checked. We cannot confirm if there is a free download of this software available.
The most frequent installation filenames for the program are: 12-z.exe, 12backup.exe, 12color.exe, 12shredder.exe and 12tower.exe etc. The actual developer of the software is 12Ghosts Inc. 12G-Complete is developed for Windows XP/Vista/7/8/10/11 environment, 32 and 64-bit versions. The following versions: 9.7, 9.2 and 9.0 are the most frequently downloaded ones by the program users. The program lies within System Utilities, more precisely System Optimization.
From the developer:
12G-Complete is a software that protects your privacy with 12-Wash by not allowing others to see which web sites you've visited or what you did in Windows.These power tools for Windows optimizes and automates your daily tasks. They also backup documents, clean up temporary files, and protect your privacy.
You may want to check out more software, such as TweakXP Tweaking Utility, AD Bulk Export or Disk Washer, which might be similar to 12G-Complete.