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Gibson Research
Corporation





Begin using our commercial software moments from now.

We offer two License Types:
  • Personal Use:
    A personal use license entitles its holder to use our commercial software on their own PCs, networks and mass storage devices.
  • Consultant / Corporate Site:
    A consultant / corporate site license (four times the cost of a personal use license) entitles its holder to use our commercial software on their own and their client's computers, networks and mass storage devices. Corporate licensees may use our software throughout a single corporate facility. (Additional licensing information)
Absolute Satisfaction Guarantee — We proudly stand behind our products and never want anyone to regret their purchase. If you are unhappy with anything you purchase from us, for any reason, we will refund your purchase without question. (Additional info)
Payment for software licenses may be made with the following major credit or debit cards:

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GRC's electronic commerce system is compliant with PCI DSS, the Payment Card Industry Data Security Standard. All communications and data storage is encrypted and secured.
After-sales support is available via electronic mail at . GRC's public web forums (https://forums.grc.com) provide an extensive userbase and knowledgebase that may be freely searched and read without an account or logon. Any questions posed will be seen and answered promptly. No product owner is ever abandoned.
If you wish to purchase more than one license you may repeat this process or contact our sales manager at for any larger quantity needs. (We also offer multisite, international and global licenses.)
All software may be downloaded to obtain its latest version at any time. Your product's personal and private serial number or transaction code provided on your purchase receipt allows you to display your purchase receipt with active download links. See our Customer Service page for more information.

 SpinRite v6.1First time purchaser
$ 89.00  

First time purchasers of SpinRite should choose this item to purchase a license for SpinRite v6.1. SpinRite's user-interface is largely self-documenting and additional online documentation is supplemented by our very active GRC web forum where questions may be asked of many knowledgeable SpinRite users.

 DNS Benchmark v2Lifetime owner
$ 9.95  

Purchasers of our DNS Benchmark receive a lifetime license with an entitlement to the product's entire future — all updates and upgrades — at no additional cost. GRC's website contains many pages of user documentation which is currently being updated from v1 to v2. Additional online support is provided in our very active GRC web forum where questions may be asked of many knowledgeable DNS Benchmark users.


All currencies are US Dollars. Non-US currencies will be converted at the prevailing rate of exchange by your credit granting institution.
Please address any pre- or post-purchase questions to , and any pre- or post-purchase technical questions to .
Thank you for your support of our commitment to developing the highest quality tools and technology for preserving the health, security, and integrity of personal computing.

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Gibson Research Corporation is owned and operated by Steve Gibson.  The contents
of this page are Copyright (c) 2026 Gibson Research Corporation. SpinRite, ShieldsUP,
NanoProbe, and any other indicated trademarks are registered trademarks of Gibson
Research Corporation, Laguna Hills, CA, USA. GRC's web and customer privacy policy.
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Last Edit: Feb 06, 2026 at 10:42 (94.12 days ago)Viewed 321 times per day