You can find the latest versions of these drivers on dedicated driver and mobile software repositories:
If the auto-installer fails or you are using Windows 10/11, you may need to add the driver manually through Device Manager. Install MTK (MediaTek Drivers) Windows 10 64 bit & 32 bit
: Sites like Android MTK and Xiaomi Tools offer the "MTK USB All Driver" pack, which includes both portable and installer versions.