Third party memory management applications really haven't been a requirement since WIndows 95.
Those of us who were around PC's in the "good old days" remember all the fun and games we had with EMS, XMS and base RAM.
In those days I found QEMM was an absolute must and allowed me to get a boot configuration with plenty of base, EMS & XMS memory - alas some games just didn't like it.
Once Win95 was released and your RAM was simply treated as a block of RAM - no more split up between base and extended, just a block everything just worked.
Since Win95 I've always let the OS manage my memory and it has always done a very good job of doing so.
Sure I've seen all these people posting about creating static swap files (like we had to in the Win/DOS days) and installing memory management programs etc.
I'm yet to see any of them do a better job that the OS.