Hello Sisila,
SAP Solution Manager 7.1 is based on SAP NetWeaver 7.02, then you cannot find this option in the SWPM, but into 70SWPM. Please double check SAP note #1680045 for your reference regarding the difference of both versions.
1680045 - Release Note for Software Provisioning Manager 1.0
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Using 70SWPM*.SAR:
- SAP Solution Manager 7.1 Support Release 1
- SAP Solution Manager 7.0 EHP1 Support Release 1
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You can download the 70SWPM and the Installation Guides in the http://www.service.sap.com/sltoolset
I hope it can help you to install the SAP Solution Manager 7.1.
Best Regards,
Henrique Girardi
SAP Active Global Support