These are now both available on the Claris downloads web page: Download the latest version of Claris FileMaker
Unfortunately these have not resolved our particular problems with the new installation procedures and I’ve just updated one of my original community posts here: Claris Community (English)
Note - if you wish to install a separate copy of v22 using the v21 updater, you need to use either update v21 with the current license certificate, of have the certificate in the same folder as the v22 updater. The details of this is included within the above post.