How can I get product version of earlier installed version during major upgrade?

[sachin_a_pawar]

Hi,

Can you please help me to retrieve version of earlier installed version while performing Major upgrade.


Thanks
Sachin Pawar

[RobertDickau]

Given a product code GUID, the MsiGetProductInfo function (or Installer.ProductInfo in VBScript) can give you installed-product information; if you don't have a hard-coded ProductCode in mind, you can use the product code or codes obtained by the FindRelatedProducts action.