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To sum up, the list of transport request that need to be installed to upgrade to this version are:
Italy Workbench 2.0→ NWDK902621
Italy Customizing 1.0.2→ OSDK903269 (if applicable *): This transport request contains customizing so it needs to be installed in every available client.
Italy Customizing 1.0.3 → OSDK903295 (if applicable **): This transport request contains customizing so it needs to be installed in every available client.
Italy Customizing 1.0.5 → OSDK903406 (if applicable ***): This transport request contains customizing so it needs to be installed in every available client
Italy Customizing 2.0 → OSDK904542: This transport request contains customizing so it needs to be installed in every available client)
After installing the transport request, please see the manual task page: Manual tasks