Both international Amazon websites are now offering pre-orders for GTA 5 on the PC.
As it was reported, Amazon's France-based website has begun to take pre-orders for Grand Theft Auto 5 on the PC. The game has, thus far, only been confirmed for release on the Xbox 360 and PlayStation 3. Rockstar Games has not made any formal announcements about the potential release of the game on the Windows PC, but they've also declined to deny that it'll ever show up on the platform.
Amazon UK and Amazon Germany websites, with Take 2 Interactive listed as its publisher. Given the close relationship retailers have with publishers, it's somewhat unlikely that they'd post up the listings on a whim.
It's far too soon to consider this a confirmation of the game's release on the Windows PC, but things are certainly looking up.