If a friend owns Desktop Mate and all DLCs, they can add you to their Steam Family. You can then download and play their copy for free. Limitation: You cannot play at the same time.
The risk-to-reward ratio is terrible. You will spend hours dodging fake download buttons, disable your antivirus, and likely end up with a Bitcoin miner or a ransomware locker. Desktop Mate PC Free Download - DLC-
There is no safe, clean "Desktop Mate PC free download - DLC-" that includes everything. Every single "free DLC unlocker" posted on YouTube or sketchy forums has been reported to contain adware at minimum. If a friend owns Desktop Mate and all
Desktop Mate software is frequently updated. If you download a cracked DLC disable your antivirus