Qliksense Desktop supports only 64 bit, it won't support 32 bit.
On what OS can I install Qlik Sense Server?
This edition of Qlik Sense Desktop requires 64 Bit Windows Server 2008 R2, Server 2012 or Server 2012 R2. Windows 7 or 8 is for testing and development purposes only, and is not recommended. Please see the System Requirements.