is version 6.0.5 of L-Office 32 or 64-bit

[RonJ1]

just downloaded it

[mariosv]

You can find both versions for all systems in LibreOffice releases

[jimk]

To determine which version you downloaded, go to Help → About LibreOffice.

On my system it says Version: 6.0.3.2 (x64), so apparently I downloaded the 64-bit version.