The following items are naturally the best, and you can also choose according to your own conditions.
1: Using WIN7 64 compact version (volume 400M), the system is small, and it takes less time to backup and restore the system naturally.
2. Using a high-speed solid-state disk with the capacity of 120G or more as the system disk, the reading and writing speed is fast, and the backup and restore system is also fast.
As for the boot, 1.2G memory is used, which is nothing, normal phenomenon, as long as there is 4G memory.