Reinstall Windows On A New Drive Jun 2026

| Action | When to Use | Steps | |--------|-------------|-------| | | Most users, modern UEFI systems | Select unallocated space → Click Next — Windows auto-creates needed partitions (System, MSR, Primary). | | Manual partitioning | Dual-booting or advanced control | Click New → Enter size (MB, e.g., 100000 for 100GB) → Apply → OK → Select primary partition → Next. | | Full drive for OS | Single OS, simple setup | Leave as one large unallocated space → Next. |