The old website form is gone with the WordPress site. This page stays so the address still works.
If a clip will not open, include the file extension and whether other files of that type open. If a merge encoded when you expected a copy, say whether any clip was trimmed or crossfaded. Those edits always encode.
Installation help: Windows 10 or 11, 64-bit, plus .NET Desktop Runtime 8. Setup offers the Microsoft download if the runtime is missing.