Please close all adobe application and use the below link to Update Lightroom to 6.3 Version
Once done then Open Lightroom >> Go to help Menu >> Click on Adobe Lightroom and check the version.
I have followed your instructions and I had a message that indicted a
successful instal. But LR still shows as version 6.0 (1014445) in System
info. In Windows under Programs and Features it shows version 6.3.
Still no clearer. Hopefully the update was really successful. Is there
any other way to see if it correctly installed?
I believe the build for 6.3 is 1052427...
Have you started your system?
Can you see the build in Windows?? I use Mac and we can ...