The file name download-p0stal-class1cand9uncut-apun-kagames-zip suggests it is a compressed archive containing:
As of late 2019, POSTAL: Classic and Uncut is on legitimate platforms. Users are strongly advised to use these official sources to avoid security risks: GOG (Good Old Games) : Offers a DRM-free version for free.
This report provides an overview of the requested download file, its likely contents, and critical safety warnings regarding its source.
: Files from this source often use the password apunkagames for extraction. 3. Safe and Legal Alternatives