if exist Qt_5.10.1.7z (curl -kLO https://cdn-fastly.obsproject.com/downloads/Qt_5.10.1.7z -f --retry 5 -z Qt_5.10.1.7z) else (curl -kLO https://cdn-fastly.obsproject.com/downloads/Qt_5.10.1.7z -f --retry 5 -C -) 7z x Qt_5.10.1.7z -oQt mv Qt C:\QtDep dir C:\QtDep