You can download the English translation, Islam: A Comprehensive Introduction , from the Internet Archive or directly from the Ghamidi Center of Islamic Learning.
If you are a university student, many scholars have uploaded sections of Al-Meezan concerning specific topics (e.g., "Meezan on Surah Fatiha" or "Meezan on Philosophy of Prayer"). While not the full book, these PDFs are highly authoritative. meezan book in english pdf