How long does the installation process take? Generally, egress window installation only takes 1 day. 2018-01-26T06:01:24-05:00By Egress Window Installation Contractor|Egress Windows FAQ|Comments Off on How long does the installation process take? Share This Story, Choose Your Platform! FacebookXRedditLinkedInTumblrPinterestVkEmail About the Author: Egress Window Installation Contractor