You can upgrade your operating system only if you have a 32-bit processor running at 1 GHz or faster, at least 1GB RAM, and 16 GB free hard disk space, or a 64-bit processor running at 2 GHz or faster, least 2 GB RAM, and at least 32 GB free hard disk space.
Express your answer in terms of u: "you can upgrade your operating system," b32:" you have a 32-bit processor" b64: "you have a 64-bit processor," g1: "your processor runs at 1 GHz or faster," g2: "your processor runs 2 GHz or faster," r1:"your processor at least 2 GB RAM," h16:"you have 16 GB free hard disk space," h32: "you have at least 32 GB free hard disk space".