Xtreme Liteos 10 V3 ((link)) Full -

This custom OS is tailored to maximize performance by stripping Windows down to its core components.

Post-installation, the OS occupies much less space on an SSD or HDD compared to the typical 20GB+ required for a standard install. xtreme liteos 10 v3 full

A couple of recommendations for lower-end PCs using Windows 10 This custom OS is tailored to maximize performance

For those using older processors (like a 10-year-old Phenom II) or limited RAM, a "Lite" OS can offer tangible improvements: xtreme liteos 10 v3 full