These programs will be fully functional for the first 30 days after its installation, called the trial period, after which you will have to purchase the software to continue using it. During the trial period, you can evaluate the software to its full extent without any feature-limitations.

Ace Utilities

Version: 6.5.0, Size: 6.3 MB, Released On: Sep 30, 2019.

For: Windows Vista, 7, 8, 8.1 and Windows 10 (32 & 64-bit).
License: Free to try, USD 29.95 to buy.
Release notes. For previous versions, click here.

System TuneUp

Version: 5.5.0, Size: 7.8 MB, Released On: Sep 30, 2019.

For: Windows Vista, 7, 8, 8.1 and Windows 10 (32 & 64-bit).
License: Free to try, USD 29.95 to buy.
Release notes. For previous versions, click here.

Registry TuneUp

Version: 5.7, Size: 3.92 MB, Released On: Jul 06, 2016.

For: Windows Vista, 7, 8, 8.1 and 10 (32 & 64-bit).
License: Free to try, USD 19.95 to buy.

Registry Finder

Version: 2.1, Size: 813 KB, Released On: Jul 04, 2016.

For: Windows Vista, 7, 8, 8.1 and 10 (32 & 64-bit).
License: Free to try, USD 19.95 to buy.


Freeware

You can use this software for free.

RegBak

Version: 1.5, Size: 573 KB, Released On: Aug 18, 2015.

For: Windows Vista, 7, 8, 8.1 and 10 (32 & 64-bit).

To download zip file instead of installer: regbak.zip (335 KB)

Registry Compactor

Version: 1.6, Size: 590 KB, Released On: Oct 19, 2014.

For: Windows Vista, 7, 8, 8.1 and 10 (32 & 64-bit).