The Discussion forums are the fastest way to get help:
Please be patient, it may take some time for somebody to answer.
If you find a bug, please submit it as a issue. Please attach as much information as you can: at a minimum, the version number of WinMerge that you are using. If you can, also attach a configuration log which, you can display by clicking → in the WinMerge window. Good information in a bug report makes it more likely that your bug will be fixed quickly.
Wish list items on the issues list will also be considered, but we make absolutely no promises.
Since WinMerge is an Open Source project, you may use it free of charge. But please consider making a donation to support the continued development of WinMerge.
Buy WinMerge merchandise
You can also support WinMerge by buying merchandise at the WinMerge CafePress store. 20% of the sales goes to WinMerge.