Follow what berliant​ outlined.Think of it as 3 main operations that need to be done in order:1) Unpack the 6.4 or 6.5 jar file over the CQ 5.6 instance. So place that alongside the cq5.6 jar and unpack.java -Xmx4096m -jar cq-quickstart-6.4.0.jar -unpack2) Perform repository / segmentstore migration -- this is where we make the jump from crx2 used in cq5.6 to oak-segment-tar used in aem 6.4 or 6.5.java -Xmx4096m -jar cq-quickstart-6.4.0.jar -v -x crx2oak -xargs -- --load-profile segment-fds3) Pe...