At last someone (lontongcorp) managed to remake the categories to sub domains plugin working with the new WordPress version. You need to go to this link to get the working one as the indon guy do not know how to update it to the source page.
You need to tick the “Subdomain Roots as Indexes” option for it to load the category’s posts instead of the main domain page.
1) Back up and secure your data (you never know when your computer will crash)
2) Access all of your files on the go (from any browser or mobile phone)
3) Share entire folders and collaborate on projects
4) Send large files you usually (try to) email or FTP
5) Share high res photo galleries with friends and families
6) Stream your entire music collection
7) Take pictures with your iPhone, auto-sync them to your computer
8) Open, edit and save office docs with your Blackberry
9) Work from home, without having to lug around your work computer
10) Restore all your data if your computer crashes or is stolen