No it is not necessary to get rid of the old versions but there is no point of keeping them as well.
So yes you can go ahead and uninstall all old versions
Then use this link to download and install LR 6 - Download Photoshop Lightroom
I suppose that you are living in India? Thanks for you reply, let´s see if
I managed to do it. At least now on preferences I can see Lightroom CC
instead of Lightroom 5.It is sometimes so frustrating!
2015-11-23 9:26 GMT+02:00 Akash Sharma <firstname.lastname@example.org>:
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Re: LR new versions in Adobe Community* - View Akash Sharma's reference