Windows 8.1 Lite Archive.org [exclusive] Link
To understand the search for "Lite" versions, one must understand the constraints of older hardware. Stock Windows installations often come pre-loaded with Cortana, Xbox services, telemetry (data tracking), and a myriad of drivers intended for a broad range of hardware. On a modern solid-state drive (SSD) with 16GB of RAM, this goes unnoticed. On a 10-year-old laptop with a spinning hard drive and 2GB of RAM, it results in sluggishness and unresponsiveness.
To quantify why you would do this, let's look at a test system (Intel Atom N270, 1GB DDR2, 5400RPM HDD). Windows 8.1 Lite Archive.org
If you must use Windows 8.1 Lite, look for a build labeled or "Lite Extreme" on Archive.org, as these tend to have the most positive community feedback. To understand the search for "Lite" versions, one
Scroll to the bottom of the item page. Read the latest user comments. Look for phrases like: On a 10-year-old laptop with a spinning hard