If you want the real experience, several publishers have attempted partial translations. Check:
The specific volume regarding Hajj and Umrah from Al-Mughni has been translated and published separately. You can often find this specific section in PDF format or as a paperback on sites like Amazon or Islamic bookstores. Al-mughni Ibn Qudamah English Pdf
If you are a university student, search for "Ibn Qudamah Al-Mughni translation." You will find PhD dissertations and academic papers that have translated specific chapters (e.g., "The Chapter on Jihad" or "The Chapter on Marriage") as part of theses. These are high-quality PDFs, though not the whole book. If you want the real experience, several publishers