You can Download Lightroom 5 here Download Photoshop Lightroom
1 License of Lightroom can be used on Two Computers at a time
If you have your 1 license left ,directly install Lightroom on Laptop and enter your Serial number
Otherwise First Deactivate it on your PC (Help>>Deactivate/Sign out)
then install on new computer
That's in english, can I get it in german language?
This one have All languages embedded
You may also use this one(Scroll down to get to download link) New Adobe Lightroom 5: Direct Download Links + Difference vs. LR4 | ProDesignTools