D-Link is pretty good about updating drivers for their devices, check out the D-Link website for the latest drivers before using direct links to their downloads.
Note the are 3 revisions (A,B,E) of the DWA-131, and you have to use the correct driver for the revision, they are not interchangeable.
DWA-131 Wireless N Nano USB Adapter Driver (Revision A)
File: DWA-131_DRIVER_1.21_WIN.ZIP
737851723c57539d378573df322053fe26168a666960917c2979ca6ee274d25e
DWA-131 Wireless N Nano USB Adapter Driver (Revision B)
File: DWA-131_REVB_DRIVER_2.03B01_WIN.ZIP
2bb780248b0523ef99fda07f85d46948e2e362d71ba0b10e25b1289bea8295f2
DWA-131 Wireless N Nano USB Adapter Driver (Revision E)
File: DWA-131_REVE_DRIVERS_v5.12b02_WINDOWS.zip
ddf7178d998f73050cfe3a48ac1c0cfc619d79ad26b9ebdf58f3a8499964e351