In your last post you said you prefere #4 out of this is following 5 options from https://www.mecway.com/forum/discussion/1012/improving-performance-of-ccx-solver/p1
A lot of people like Pastix but my preferred way is #4 - compile using the source code and instructions distributed with Mecway. It's much faster than Spooles, more correct than Pastrix with mixed pre