So I had to go through filling in information to get access to that download. As I JUST went through this exact problem not a few hours ago and no one helped me. Just let me know what level you were on and I'd be glad to help. If you don't want to do this send me your email and I will send you the save file you need. I know it seems like a bug/scam but just fill out the stupid survey information (just use a random address and a email you don't care about) and it will allow you access to the download. If you didn't migrate Windows to SSD but did a fresh install of Windows on your new SSD and did not back up these saves they are gone. So if you did not back up your save files (guessing not as you're asking for save file location) before freshly installing Windows then they are gone. The armoury here is a place you can buy a VSV if you need to, but again hold off till you complete the game to save your military ammo. Steam Cloud does not save games for Metro 2033 Redux. Go to user/your name here/my documents/4A/Metro 2033/ and then it will be something ot the effect of '11000010f000' etc.

Metro 2033 redux save editor