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My desktop computer run Windows 8, with 2 GB of RAM installed. It gets really slow when I open few programs. Even when I close a running program it doesn't seem to recover its memory quickly and runs really slow for a log time.

I thought of running a Memory cleaner / optimization application to recover unwanted memory quickly. I Found a free tool Memory Cleaner from a Google search. It seems to work fine & reduces the memory load.

Does the available memory optimization tools recover & optimize the memory as expected? or is it better to let Windows manage memory itself?

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closed as off-topic by Karan, Dave M, teylyn, soandos, gronostaj Jul 5 '13 at 8:49

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The author of the software you linked is spot on, performance improvements from any memory optimizer for Windows 8 is little more than an enthusiast hobby. If you're running low on memory on your machine it's way more because you're running a memory-intensive app than it is that Windows is being laggy. –  digitxp Jul 4 '13 at 2:51

2 Answers 2

All Windows Memory Cleaner/Optimization application are useless crap which only slowdown Windows. They only allocate a large amount or RAM, forcing windows to put data into the pagefile.

If you have an issue that Windows uses too much Physical RAM, use RAMMap from Sysinternals to analyze the usage.

Here is an explaination from MS what the colums of RAMMap mean:

http://blogs.technet.com/b/askperf/archive/2010/08/13/introduction-to-the-new-sysinternals-tool-rammap.aspx

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The best memory management application is the windows itself. The operating system has the best say whether to recycle a piece of memory or not. It's not the case that the more free memory you have, the better off you are. An OS smart enough will keep some memory as cache wisely in order to speed up things. Free memory manually will have little performance improvement, if at all.

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