Paid GNU IceCat Alternatives for Windows
GNU IceCat is not available for Windows but there are plenty of alternatives that runs on Windows with similar functionality. The most popular Windows alternative is 
Mozilla Firefox, which is both free and Open Source. If that doesn't suit you, our users have ranked more than 100 alternatives to GNU IceCat and loads of them are available for Windows so hopefully you can find a suitable replacement. Other interesting Windows alternatives to GNU IceCat are 
Google Chrome (Free), 
Brave (Free, Open Source), 
Chromium (Free, Open Source) and 
Opera (Free).
- The productivity-based web browser for technology professionals. Built on Chromium.
- Kingpin is a privacy browser with Ad Blocker and incognito mode always turned on. It doesn't remember browser history, passwords, or cookies. You can use it for browsing sensitive content or browser for more secure online shopping and banking.
- GainTools Cloud Importer to move local email files to webmail account. The software easily import PST, OST, NSF, MBOX, EML, etc. files to any cloud service of your choice.
- Paid
- Windows