You can try using PC bo, create an algorithm for the actions it will do. For example, do you need to change passwords in Google accounts? Collect all passwords and data from accounts into one list and make bot algorithm so that it would, for example, copy username, delete it from data list, and paste it into appropriate field. Then copy password, delete it from list and paste it in. Something like this.
I do not know how it is now, but zennoposter used to be popular for this purpose. Or self written software