Tenho uma folha impressa com o mapa do teclado com as respectivas teclas de atalho. Consegui achar o link para download:https://s3-eu-west-1.amazonaws.com/affinity-docs/Photo/shortcuts/Affinity-Photo-Shortcuts-Windows.pdf
Instalando Nik Collection no Affinityhttps://www.photography-raw.com/install-nik-collection-plugins-affinity-photo/