: A widely used, completely free tool that adjusts screen color temperature based on the time of day. Windows Night Light
If you don’t want to deal with license codes, the company offers as permanent freeware. It is extremely lightweight (only 600kb) and provides: Four brightness levels : 20%, 40%, 60%, and 80%.
The developers occasionally offer discount codes (e.g., a 30% discount was previously offered with code 27b91354c1 ). How to Activate Your Code careueyes free license code new
The most reliable way to use the software for free is through CareUEyes Lite
If you're interested in purchasing a license code for CareUEyes, you can: : A widely used, completely free tool that
Before purchasing or using CareUEyes, ensure your device meets the system requirements and is compatible with the software.
If you need Pro-level features but cannot purchase a license, consider these completely free alternatives: Microsoft Windows Night Light: The developers occasionally offer discount codes (e
: This is a completely free, lightweight version that allows basic brightness control without a license code. CareUEyes Pro Review: Key Features CareUEyes - Eye Protection & Blue Light Filter for PC