Can't install TWRP on Nexus10

Hi,
I found this nexus10 in the back of a closet, I know it is old, but I would like to reuse it for my children in particular.

I first enabled developer mode and then with ADB disable OEM lock with the command :
fastboot oem unlock

Then i try to install TWRP but when the N10 reboot its like nothing happen.

So i try to boot on TWRP with ADB :

.\fastboot.exe boot .\twrp-3.7.0_9-0-manta.img Sending 'boot.img' (10662 KB) OKAY [ 1.383s] Booting...

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