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→MSI installer for use with existing older exe based installs with mixed 32-bit/64-bit hosts: Added information about drawback of this technique.
== MSI installer for use with existing older exe based installs with mixed 32-bit/64-bit hosts==
On a 64-bit host, install the 64-bit version is mandatory as the 32-bit version on 7-Zip doesn't integrate in the explorer. This demonstrates an interesting technique for distinguishing between 32 and 64 bit. It does have a drawback in that when you remove a package, the 64-bit package will never be detected as successfully removed on 32-bit systems, and vice versa.
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