Extract Skype 8 installer, Install innoextract on CentOS 7

cd /etc/yum.repos.d/
curl "https://copr.fedorainfracloud.org/coprs/scx/innoextract/repo/epel-7/scx-innoextract-epel-7.repo" > scx-innoextract-epel-7.repo
yum install innoextract

List files:

innoextract -l Skype-8.34.0.78.exe

Extract:

innoextract -e Skype-8.34.0.78.exe

Download innoextract.exe 1.7 for Windows:

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