This specific version was released to the public around . Because this is a compressed archive ( .7z ), you will need a tool like 7-Zip or WinRAR to extract the game files before playing.
If you are looking for the "piece" (the actual download or content), here are the common ways to find it: WOTD-0.8.0-pc.7z
The creator typically hosts updates and official download links on their Patreon page . This specific version was released to the public around
[WOTD] New version 0.8.0 now available to everyone! - Patreon WOTD-0.8.0-pc.7z
Some versions are listed in community archives or repositories for older builds.