If your computer cannot access the Mac App Store or is completely blank, users in the tech community frequently rely on public libraries like the Internet Archive for preservation files:
Have you successfully installed High Sierra from a Google Drive DMG? Share your experience and the checksum you used in the comments below—just remember to keep community guidelines and security first.
If you've found a DMG file for macOS High Sierra 10.13.6 on Google Drive, you'll need to download it and then create a bootable installer. Here's how:
Plug in a 16GB USB drive, open Terminal, and run: