Windows 7 no longer receives security updates. Using MT5 on an unsupported OS increases exposure to malware, exploits, and data theft — especially dangerous for trading accounts.
To ensure the software runs, you must have Windows 7 Service Pack 1 (SP1) installed. Additionally, because Microsoft ended support for Windows 7 in 2020, you must take extra precautions regarding data security and system updates. System Requirements for MT5 on Windows 7 metatrader 5 windows 7
Depth of Market (DOM): View bids and asks at different price levels. Windows 7 no longer receives security updates
While the absolute minimum is 256 MB, at least 2 GB is strongly recommended for basic stability. metatrader 5 windows 7