The "part3" in your filename indicates the game data was split for easier downloading. Follow these steps to install:
: You play as Thomas, a man struggling with sleep paralysis in a "lonely house". Sleep.Paralysis.The.Uncanny.Valley-TENOKE.part3...
: Use a tool like WinRAR or 7-Zip . Right-click on Part 1 and select "Extract Here." The software will automatically pull data from all subsequent parts to create a single folder. The "part3" in your filename indicates the game