Your first step will be unlocking the bootloader, which you can find here:
In this tutorial, we will help you to unlock the bootloader of your Redmi Note 10 / 10 Pro (codenamed sweet). If you are new to rooting, then you must
www.getdroidtips.com
You can follow a guide like this to get a rom installed:
Here's a complete step-by-step guide on how to install pixel experience custom ROM on Redmi Note 10 Pro smartphone easily without rooting.
everythingxiaomi.com
It should work for more than just the pixel experience rom
You can find a whole lot of different roms here:
The Redmi Note 10 Pro is a 6.67" phone with a 1080x2400p resolution display. The Qualcomm SM7150 Snapdragon 732G chipset is paired with 6/8GB of RAM and 64/128GB of storage. The main camera is 108/8/5/2MP and the selfie camera is 16MP. The battery has a 5020mAh capacity.
forum.xda-developers.com