Before downloading Windows_XLite_Ultimate_11_Neon_24H2_v3_FBCO_Free.iso , you must understand the dangers of custom ISOs.
After boot, stock Windows 11 consumes ~3.8 GB. XLite consumes ~1.2 GB. That leaves 6.8 GB available for games on an 8 GB system, effectively giving you "extra" RAM for free. windows xlite ultimate 11 neon 24h2 v3 fbco free