Steam is the same as Origin. You just need to backup everything in the Steamapps folder then copy it to an external hard disk. You also need to backup the .acf files in the Steamapps folder. Do not delete them as you might need to redownload the games

Once you reinstall the PC, you need to point your newly installed Steam client to your new Steamapps folder. Then, if im not wrong, you need to click Install for each game in order for Steam to locate the files back. Some games might be automatically being detected by Steam.

EDIT: May I know where did you install your library folder? Is it in a different partition from your OS that will be formatted?

The backup feature is teribble, avoid it. Just copy and paste your Steamapps Folder out to an external, then copy and paste back into your new installation of Steam.

Fact 101: Steam has the worst customer support of all   

and so the moral of the story is dont typo at all

if you're lucky, within 1 week.

less lucky, within 2 weeks.

lesser than that, gg liao

on serious note, my previous ticket is answered after 4 days. you should keep bumping your ticket until they take notice.

200 only gaben is disappointed

You want your steam account to be banned ke? Not worth it and never use VPN.

Don't forget to mod the game.....MODSSSSSSSSSSSSSSSSS

anybody bought Microsoft Flight Simulator X Steam Edition?

zzz something wrong with my maybank debit card. cant seem to get the purchase through. anyone having the same problem?

maybe wait for tmr morning to purchase

-edit-
just checked. maybank website down   

usually when a game goes on daily deals, the whole franchise is affected too. like in this case, Borderlands Pre-Sequel in on Daily Deals so Borderlands 2 and Borderlands 1 is also on daily deal. Another case is Assassin's Creed Unity

Bought it, but I cannot take it due to the overwhelming graphics nowadays.

You haven't got the Community Badge yet?