Download Portable Lightroom 3.6 32 bit from MegaUpload (24.6 MB)
Download Portable Lightroom 3.6 64 bit from MegaUpload (25.3 MB)
Download Russian Patch from MegaUpload (0.4 MB)
Download Camera Profiles 3.5 from MegaUpload (31.6 MB)
Download Lens Profiles 3.3 from MegaUpload (3.2 MB)

http://img546.imageshack.us/img546/4104/megauploadn.png
Download Portable Lightroom 3.6 64 bit from MegaUpload (25.3 MB) - Link Not Available
Download Russian Patch from MegaUpload (0.4 MB) - O.K.
Download Camera Profiles 3.5 from MegaUpload (31.6 MB) - Link Not Available
Download Lens Profiles 3.3 from MegaUpload (3.2 MB) - O.K.
http://img834.imageshack.us/img834/2172/jdlr.png
But you are right, I can download with a browser only with a premium account.
Try a download manager.
FileSonic mirrors:
Lightroom_Portable_3.6_64_bit_Multilingual.paf.exe
http://www.filesonic.com/file/4207634405
Lightroom_Portable_3.6_32_bit_Multilingual.paf.exe
http://www.filesonic.com/file/4207762965
http://rapidshare.com/files/3815737010/Lightroom_Portable_3.5_Camera_Profiles.paf.exe
http://rapidshare.com/files/1997304880/Lightroom_Portable_3.6_32_bit_Multilingual.paf.exe
http://rapidshare.com/files/2189625728/Lightroom_Portable_3.6_64_bit_Multilingual.paf.exe
http://rapidshare.com/files/2095998119/Lightroom_Portable_3.x_Russian_Patch.paf.exe