TPM 2.0 (7.63) Downgrade to 1.2 (6.43)

Hello all,

I need to downgrade a TPM chip from 2.0 (7.63) to 1.2 (6.43); the current Softpack SP81900 only has the 7.62 to 6.43.

Does nayone has the 2.0 (7.63) to 1.2 (6.43) file to use with the utility?

Thank you

Adrian