The commandments. — Literally, the commandment. It is one course of action rather than many details which is enjoined.
Go in and possess — i.e., complete the conquest in detail, so as to enjoy the whole profit of the land.
Related Commentaries of Deuteronomy 11:8
Deuteronomy 11:8
8 Therefore shall ye keep all the commandments which I command you this day, that ye may be strong, and go in and possess the land, whither ye go to possess it;