References

The "Lite" installer minimizes overhead, making the installation process quicker than the standard online installer. Conclusion

Select 32-bit or 64-bit and your desired language.

The "Lite" third-party mod modifies this behavior. It acts as a custom user interface (UI) that interacts with Microsoft’s deployment servers. It allows users to:

KMS/kms/Programs/Office 2013-2019 C2R Install v6 ... - GitHub

The typically supports a wider range of Office editions and activation methods.