: Download and install 7-Zip or a similar utility .
: Once extracted, the files (images, 3D models, or documents) will be available in a standard folder . 7zip "Cannot open file as archive" Error - CG Cookie gift.7z
WinZip or The Unarchiver (for Mac) are popular alternatives . : Download and install 7-Zip or a similar utility
: Locate your gift.7z file, right-click it, and select 7-Zip > Extract Here or Extract to "gift/" . the files (images