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: 6.3.0 Size: 6.35 MB, Released On: Sep 20, 2016.
For: 32/64 Bit versions of Windows XP, 2003, Vista, 7, 8, 8.1, Windows 10.
License: Free to try, USD 29.95 to buy.
Release notes. For previous versions, Click here

System TuneUp

Version: 5.3.0 Size: 5.88 MB, Released On: Sep 20, 2016.
For: 32/64 Bit versions of Windows XP, 2003, Vista, 7, 8, 8.1, Windows 10.
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: 32/64 Bit versions of Windows XP, 2003, Vista, 7, 8, 8.1, Windows 10.
License: Free to try, USD 19.95 to buy.

Registry Finder

Version: 2.1 Size: 813 KB, Released On: July 04, 2016.
For: 32/64 Bit versions of Windows XP, 2003, Vista, 7, 8, 8.1, Windows 10.
License: Free to try, USD 19.95 to buy.


Freeware

You can use these software for free.

RegBak

Version: 1.5 Size: 573 KB, Released On: Aug. 18, 2015.
For: 32/64 Bit versions of Windows XP, 2003, Vista, 7, 8, 8.1, Windows 10.
License: Free to try, USD 19.95 to buy.
To download zip file instead of installer: regbak.zip (335 KB)

Registry Compactor

Version: 1.6.1 Size: 590 KB, Released On: Oct. 19, 2014.
For: 32/64 Bit versions of Windows XP, 2003, Vista, 7, 8, 8.1.
License: Free to try, USD 19.95 to buy.