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From ultradefrag.net — the developer's official site. Grabware doesn't host, re-package or modify files.

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How to install UltraDefrag

  1. Click Download — the developer's official website opens in a new tab.
  2. Download the latest version there and run it. Choose Custom/Advanced where offered, and skip any bundled extras.
  3. Prefer the command line? With Chocolatey you can install and update it with: choco install ultradefrag
  4. Open UltraDefrag once it finishes installing.

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