I have an old 2007 PC with 2.6 Ghz AMD Athlon 64 x2 processor, 1 Gb of DDR2 RAM and 256 Mb AMD Radeon HD 2600 graphic card. I can`t install Windows Phone 8 SDK due to Windows 8 x64 restriction and I have Windows 7 x32. Can I make an app for my phone (Lumia 620)?