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Latest Version
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Operating System
Windows Vista64 / Windows 7 64 / Windows 8 64 / Windows 10 64
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User Rating
Click to vote -
Author / Product
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Filename
OODefrag21Professional64Enu.exe
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MD5 Checksum
871cd27b8928fbb39960d5335c66de37
Sometimes latest versions of the software can cause issues when installed on older devices or devices running an older version of the operating system.
Software makers usually fix these issues but it can take them some time. What you can do in the meantime is to download and install an older version of O&O Defrag Professional 21.1 (64-bit).
For those interested in downloading the most recent release of O&O Defrag Pro or reading our review, simply click here.
All old versions distributed on our website are completely virus-free and available for download at no cost.
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If you have any questions or ideas that you want to share with us - head over to our Contact page and let us know. We value your feedback!
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