Bug or not, this is best buy.
Rise of the Tomb Raider in the Ukrainian Windows Store: 234UAH (~9,11USD)
In the indian Store: 889 INR (~13,1 USD)
ONLY Windows 10 PC version!! (KB3118754 update is necessary. Build 1511) NO STEAM KEY!
step by step process for windows 10:
step 1: make sure you have at least 30 gigs of free space on your C drive, or have changed your windows settings to save apps to your preferred drive (google this). also, make sure you don't have any pending major windows updates, or the windows store will force you to install them first.
step 2: hit the windows key to bring up the start bar, and type 'region', click 'region and language settings'
step 3: make your region ukraine or india depending on the country you've chosen
step 4: click the corresponding link in the op to the deal that you want
step 5: buy it and use your card with all the proper billing details EXCEPT region, which will default to ukraine/india, don't worry, that's okay (afaik)
step 6: enjoy your slow as molasses download