update/implement HOW-TO guides

[chmod_0700]

First of all, thanks for providing xampp, the following doesn't mean to be offensive or stuff like that.

1) update/ implement the HOW-TO guide
Some things written there seem to be about 10+ years old and won't work anymore, no idea if they were ever valid.
Or backing up databases: in the guide you provide the "feature" to export databases manually from phpmyadmin. Are you guys serious about e.g. exporting 40+ databases manually?

2) add a feature to update single components in an easy way

There are a lot of people struggling to update php versions, phpmyadmin, ecc. but all the "methods" provided on stackoverflow and similar are a big mess.
The guides provided inside the HOW-TO-guide won't work for newer php versions (see point 1)
If the latter doesn't work, why not deleting it or update it? Do you guys test the stuff you write (e.g. "use another php version" )?

3) Implement the UI --> e.g. see point 1 and 2

Regards