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That article assumes you already have the development patterns installed. I suspect that you don't. Go into Software Manager and make sure you have installed the following patterns: Base Development C/C++ Development Linux Kernel Development After installing those patterns and assuming you have updated to TW version 20210524 or later then you have to fix 2 symlinks for the kernel locations so that vmware can compile the modules. NOTE: I am on the 5.12.4-2 kernel but updated the fix for your kernel cd /usr/lib/modules/5.12.9-1-default ln -sf ../../../../usr/src/linux-5.12.9-1-obj/x86_64/default build ln -sf ../../../../usr/src/linux-5.12.9-1 source After installing the development patterns and fixing the symlinks you should be able to start vmware and it will prompt to compile modules and once that is done vmware should work. Joe