I have tried to install Fusion360 in my ubuntu 20.04 PC but has been unsuccessful. Please I need help.
I have tried this:
$ sudo add-apt-repository -r 'deb https://dl.winehq.org/wine-builds/ubuntu/ focal main'$ wget -q https://download.opensuse.org/repositories/Emulators:/Wine:/Debian/xUbuntu_2004/Release.key -O Release.key -O- | sudo apt-key add -$ sudo apt-add-repository 'deb https://download.opensuse.org/repositories/Emulators:/Wine:/Debian/xUbuntu_2004/ ./'
but i encountered this error:$ wget -q https://download.opensuse.org/repositories/Emulators:/Wine:/Debian/xUbuntu_2004/Release.key -O Release.key -O- | sudo apt-key add -gpg: no valid OpenPGP data found.