Once you have successfully downloaded Snow_Leopard_10.6.8.dmg from Google Drive, you need to turn it into a bootable installer. You cannot simply drag the DMG onto a USB drive.
The following guide is for educational purposes and for users who own a legitimate license. We encourage you to check the Internet Archive (archive.org) where vintage software is often preserved under fair use.
Only download from shared Google Drive links that have many comments or upvotes on forums like Reddit or MacRumors.
Select the newly formatted partition on your USB drive and click the button.
Open Google Drive and search for "Snow Leopard 10.6.8 DMG" in the search bar. You can also try searching for "Mac OS X Snow Leopard 10.6.8 DMG" or similar keywords.
Set the downloaded Snow Leopard DMG as the and your formatted USB partition as the Destination . Click Restore and enter your administrator password. Method B: Using Windows (TransMac)