The search term "version 2.42" refers to one of the later stable releases of the software. However, the inclusion of terms like "serial91" or "serial" in search queries typically indicates an attempt to bypass the official purchase process.
Click Install. Once the progress bar is complete, you can launch the game. jigsw puzzle 2 platinum version 242 serial91 install
Locate the official installer file. This is usually named something like jigs@w_puzzle2_platinum.exe or similar, depending on the source (official Tibo Software website or an authorized archive). The search term "version 2