product_id
if you add any of creates_*
arguments to your first task, for example:win_package
manual:product_id
[ ]HKLM:SoftwareMicrosoftWindowsCurrentVersionUninstall
or for 32 bit programs at HKLM:SoftwareWow6432NodeMicrosoftWindowsCurrentVersionUninstall
.creates_*
options can be used instead but is not recommended.