How to create an update installer with NSIS? -


currently have installer created using nsis. want create update installer updates application newer version copying changed files. target platform windows.

the question broad. flagged invalid. btw,

  • if installer overwrites files, work not-very-clean updater too.
  • ultimately, installer/updater should check on start, if program installed, , if necessary, uninstall before installing new version. recommend calls uninstaller installed first installed, , performs regular install. should keep registry records if want keep current settings.

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