Support
We currently provide customer support through email. If you have any technical or billing questions, please email us at support@windowsdoctor.com. We will reply within 1 business
How to register the product?
- The easiest way to register the product is to place an order online with credit card. We accept VISA, MasterCard, Discover and American Express. For offline order, we also accept check/money order in postal mail and purchase order. All transactions is 100% secure and safe.
How long does it take to get the license key code after the payment?
- We will issue the license key code to you immediately after payment is successfully processed. It will appear on the next screen right after your payment webpage. Meanwhile, we will send you a receipt with Order ID and license key code by email as well.
I am a registered user, but I lost the reg code, how can I get it again?
- Please email us at support@windowsdoctor.com with your full name, Order ID and last four digits of the credit card used for purchase. We will send you the license key code by email.
How do I install the full version?
How do I register the software after my payment?
How do I register the software after my payment?
- Please go to our home page and download the trial version of the software you just bought. Install the trial version. Once installation is complete, you will be taken to the homepage of the software. Click on the "Register" button on the lower left corner of the home page. Enter your license code, follow the instruction and you'll be able to install the full version.
- Repeat the same procedure if you bought a license for multiple computers.
I bought a previous version of your product. Can I get the new version for free?
- As long as your license has not expired, you can get the new versions for absolutely free. Say if you've purchased a 2-year license for Windows Doctor, you will be able to update it for free within 2 years after the purchase.
- Whenever a new version comes out, we will send a new license key by email to all our qualified customers. However, for those who do not receive the key code in their email boxes, they can either search for it on our website's Support section with the registered email address, or contact us at support@windowsdoctor.com with full name and address for the re-issuance of the license key.
Can I uninstall your product completely if I decide to do so?
- Yes, our products can be completely uninstalled.

Current Version: 2.7.4
File Size: 7.41 MB
File Size: 7.41 MB
Windows Doctor is compatible
with the Windows7 / Vista / XP / 2000 /2003 32-bit and 64-bit!
with the Windows7 / Vista / XP / 2000 /2003 32-bit and 64-bit!
Customer Testimonials
Michael Oxford - US
"-star for me to this product is not enough! I downloaded this software, scanned my computer, deleted the errors, rebooted, and I am in complete awe as to how much faster my PC is after cleaning my registry. I think this is a wonderful product and I would highly recommend it. Thank you!"
Celina Green - New York
"Excellent program. I've tried several optimizers and Windows Doctor is my favorite! It did improve my PC performance and never caused any trouble to me (my PC crashed before using some other registry cleaners). I'm so glad that i finally found one that can be trusted!"
Lawrence Wan - Germany
"Windows Doctor is the Best of the bests!!! Very friendly UI, and works just as it's supposed to. I deleted more than 600 registry items, and my machine is running smoother than it has in quite a while. I've used this utility dozens of times with no problems. Highly recommended"



