[SOLVED] enabling tpm

My custom built pc is 6 years old and cost me £3k , today i was surprised to discover that my pc is not tpm enabled and i found the following article.

Enable TPM 2.0 on your PC (microsoft.com)

The first thing i note in the instructions on what to do is that i have to do a recovery , does this mean that i would be turning my pc to a never used state and loose everything.

Even if the answer to the above question is no .... i do not feel confident about following the instructions .

Is their an easier way to enable the tmp