When you do a search for best registry cleaner and cleaning software, there are hundreds of products.
All of them boast around 100% performance gain and tempt you to shell money on them.
But are they really necessary?
There is not even a maintenance software for this purpose in Windows 7 and 8.1.
How to Believe my Words?
These 3 cleaning tools are one of the leading products for system/registry cleaning in the industry.
One of these tools even claimed to improve thespeed of your PC by 47%.
Another product is highly popular in this category andpromoted well in the Internet industry.
But after-all, what the results say?
A Deeper Insight into the Case-Study?
As each system is different from another with its own unique hardware, software, uninstalls and installs.
One should not come to conclusion, by just believing this case-study.
you oughta study your own system if you want to come to a conclusion.
My personal experience of 15 years of Windows experience goes with the author of the case-study.
First-of-all, my words are to be taken for Windows 7 and 8.1 systems only.
But in 2015, that is not the case.
If you observe the Microsofts page of for the use of cleaning software, you might see it here.
(https://support.microsoft.com/en-us/kb/2563254).
More Details on Windows Secrets Case-Study?
The author makes it clear that all review of PC-cleaning software share a major obstacle.
The results of the performance tests only apply to the test machine.
Hence, published test results only used as a general guide.
Note: Before running a third-party cleaner on any PC, just backup your work and registry).
One runs Win7 SP1 and the other runs Win8.1, upgraded from Win8.0.
Both are real-life Windows setups Ive used routinely for work for years.
For a full configuration you’ve got the option to look at the original article.
To select which apps to install, I used the then-current user-popularity ratings reported by Download.com.
Then the above 3 tools are used one by one and compared with the above results.
For example,
The first word only changes for Win 8.1 system-setup.
Are you to Dump all the Cleaning Software/Registry Cleaners/System Cleaners?
If you are still using the old legacy systems, they might still be useful.
But on Win 7 and 8.1, they are not of much significance.