T66 Mouse Software Access

Ensure you click the "Apply" or "Save" button in the bottom right corner of the software window before closing it. If the issue persists, check if your software version needs an update. Profiles Disappear After Reboot

Follow the on-screen prompts, choose your preferred installation directory, and click . Step 4: Connect and Initialize t66 mouse software

If your model features RGB lighting, the software lets you toggle between: Ensure you click the "Apply" or "Save" button

If your custom lighting profiles disappear every time you turn off your computer, the software is failing to save settings to the onboard memory. choose your preferred installation directory