Short Version:
CleanMem keeps memory use in check on the system without the memory being pushed to the page file. This in turn keeps the system running smoother.
Long Version:
The people who will notice the biggest performance increase are ones who don't have a lot of memory installed. (More memory is always better!)
The reason is when your system starts getting low on memory Windows will start to move memory to the page file. The page file is ran off your hard drive. The hard drive is the bottle neck of performance on a system. So the slower the drive the slower the system goes as it tries to work with the page file. When you use CleanMem you help keep the system from using up all its memory. In turn Windows doesn't push anything to the page file, and we avoid the huge slow down from page file usage.
What if you have tons of memory? Should you still use CleanMem?
I have 8gb's of memory and I use Windows 7 64bit. I never hit the max memory usage. But I still use CleanMem to keep the programs memory usage in check. Why?
Think of it this way. Say you have a ton of hard drive space. Would you want your drive full of unneeded files? To the point where your drive is nearly full? Sure I have the space, but why would I want all that crap?
The same goes for my memory. I want to make sure the memory is being used in the best way it can. I don't want memory leaks and such using up all the memory. Lots of people feel the memory is a resource and should be used as much as possible. I agree, I just don't want the left over trash is all :-)
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CleanMem is a Free/Pro program.
CleanMem itself is totally free. When you install CleanMem it will auto run every 15 min by the Windows Task Scheduler. Once installed it is set it and forget it. Just as it always has been.
You can configure CleanMem to do more advanced things such as ignore lists, only lists, and log files. These can be set by the CleanMem Settings program in the start menu.
The Mini Monitor is the only part of CleanMem that is the Free/Pro. All features in the mini monitor from v1.7.0 are included and still free, including some new features that where added as well.
The Pro version of the mini monitor is simply extra features, such as tools and information.
One very important thing is that there are no nag screens in the free version of the mini monitor and no pop ups asking you to upgrade to pro or anything like that. So the free version is still as helpful as it was before and the pro version adds more control and options for the power users.