portable software and regular software

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  Leo

  Hi buddy you are right that portable software are nothing but just compiled codes so that we can use it just by executing.
  
  Now why this does not apply to installable software, usually all installable softwares are highly compressed packages with compiled files for execution. You might know softwares ported as installable are always proprietary of software company or institution, doesn't matter it is free or not. Those software makers thus disallows you to misuse their source code for yourself and hence port a software as a package with hexadecimal signature which disallows the application to run without registering software to OS via that signature. This started just to protect proprietary rights of software owners when started. But slowly it became sign to detect malicious software which appears same as original one and Platform owners also started giving these software right to create their own cache as system level cache allowing faster execution than portable ones. All portable software face same problem related to system level cache to installable ones so they create extra files as cache and load them when you start them and hence they are able to give you same performance as installable one without actually getting any right for system level cache or signatures.Happy Computing.