For more information, please visit the following pages:

• Opera
• Opera Software ASA
• Presto

Latest user agents (if you are looking for complete list, download it here):

• Opera/12.13 (Windows NT 6.2; U; KW Presto/2.9.162 Version/10.00)
• Opera/12.13 (Windows NT 5.2; U; KG Presto/2.9.190 Version/11.00)
• Opera/12.13 (Windows NT 5.3; U; RM Presto/2.9.160 Version/12.00)
• Opera/12.13 (Windows NT 5.1; U; NE Presto/2.9.167 Version/11.00)
• Opera/12.13 (Windows NT 5.2; U; BE Presto/2.9.177 Version/11.00)
• Opera/12.13 (Windows NT 6.0; U; YI Presto/2.9.161 Version/10.00)
• Opera/12.13 (Windows NT 6.0; U; TR Presto/2.9.170 Version/10.00)
• Opera/12.13 (Windows NT 6.1; U; DA Presto/2.9.161 Version/11.00)
• Opera/12.13 (Windows NT 6.1; U; KO Presto/2.9.185 Version/10.00)
• Opera/12.13 (Windows NT 5.1; U; EN Presto/2.9.164 Version/11.00)
• Opera/12.13 (Windows NT 6.3; U; KW Presto/2.9.177 Version/10.00)
• Opera/12.13 (Windows NT 6.1; U; LT Presto/2.9.189 Version/11.00)
• Opera/12.13 (Windows NT 6.3; U; CE Presto/2.9.168 Version/11.00)
• Opera/12.13 (Windows NT 5.3; U; FO Presto/2.9.183 Version/10.00)
• Opera/12.13 (Windows NT 5.1; U; HR Presto/2.9.168 Version/11.00)
• Opera/9.80 (Windows NT 6.2; MRA 6.0 (build 6060)) Presto/2.12.388 Version/12.13
• Opera/9.80 (Windows NT 6.1; WOW64; Edition Campaign 21) Presto/2.12.388 Version/12.13
• Opera/9.80 (Windows NT 6.0; WOW64) Presto/2.12.388 Version/12.13
• Opera/9.80 (Windows NT 6.1; MRA 8.0 (build 6007)) Presto/2.12.388 Version/12.13
• Opera/9.80 (Windows NT 6.1; WOW64; Edition DriverPack) Presto/2.12.388 Version/12.13
• Opera/9.80 (Windows NT 6.1; MRA 5.7 (build 03797)) Presto/2.12.388 Version/12.13
• Opera/9.80 (Macintosh; Intel Mac OS X 10.8.2; Edition MAS) Presto/2.12.388 Version/12.13
• Opera/9.80 (Windows NT 6.1; WOW64; MRA 5.9 (build 4953)) Presto/2.12.388 Version/12.13
• Opera/9.80 (Windows NT 6.1; WOW64; MRA 8.0 (build 5977)) Presto/2.12.388 Version/12.13
• Opera/9.80 (Windows NT 6.1; WOW64; MRA 5.9 (build 4930)) Presto/2.12.388 Version/12.13
• Opera/9.80 (Windows NT 6.1; MRA 8.0 (build 6017)) Presto/2.12.388 Version/12.13
• Opera/9.80 (Windows NT 6.1; MRA 6.3 (build 7771)) Presto/2.12.388 Version/12.13
• Opera/9.80 (Windows NT 6.1; Edition DriverPack) Presto/2.12.388 Version/12.13
• Opera/9.80 (Windows NT 6.1; MRA 5.8 (build 4598)) Presto/2.12.388 Version/12.13
• Opera/9.80 (Windows NT 6.1; Win64; x64; YB/4.0.0) Presto/2.12.388 Version/12.13
• Opera/9.80 (Windows NT 6.1; MRA 6.1 (build 6639)) Presto/2.12.388 Version/12.13
• Opera/9.80 (Windows NT 5.1; MRSPUTNIK OW 2, 3, 0, 227) Presto/2.12.388 Version/12.13
• Opera/9.80 (Windows NT 6.1; WOW64; MRA 8.2 (build 7138)) Presto/2.12.388 Version/12.13
• Opera/9.80 (Windows NT 6.1; WOW64; MRA 8.2 (build 6901)) Presto/2.12.388 Version/12.13
• Opera/9.80 (Windows NT 6.1; WOW64; MRA 8.0 (build 5997)) Presto/2.12.388 Version/12.13
• Opera/9.80 (Windows NT 6.1; WOW64; MRA 6.4 (build 8614)) Presto/2.12.388 Version/12.13
• Opera/9.80 (Windows NT 6.1; WOW64; MRA 6.2 (build 7314)) Presto/2.12.388 Version/12.13
• Opera/9.80 (Windows NT 6.1; WOW64; MRA 6.0 (build 6060)) Presto/2.12.388 Version/12.13
• Opera/9.80 (Windows NT 6.1; WOW64; MRA 5.10 (build 5230)) Presto/2.12.388 Version/12.13
• Opera/9.80 (Windows NT 6.1; WOW64; MRA 5.10 (build 5218)) Presto/2.12.388 Version/12.13
• Opera/9.80 (Windows NT 6.1; MRA 8.1 (build 6323)) Presto/2.12.388 Version/12.13
• Opera/9.80 (Windows NT 6.1; MRA 8.1 (build 6277)) Presto/2.12.388 Version/12.13
• Opera/9.80 (Windows NT 6.1; MRA 8.0 (build 5861)) Presto/2.12.388 Version/12.13
• Opera/9.80 (Windows NT 6.1; MRA 5.9 (build 4876)) Presto/2.12.388 Version/12.13
• Opera/9.80 (Windows NT 6.1; MRA 5.6 (build 03402); MRSPUTNIK OW 2, 3, 0, 104) Presto/2.12.388 Version/12.13
• Opera/9.80 (Windows NT 6.1; MRA 5.10 (build 5299)) Presto/2.12.388 Version/12.13
• Opera/9.80 (Windows NT 6.1; MRA 5.10 (build 5282)) Presto/2.12.388 Version/12.13
• Opera/9.80 (Windows NT 6.0; MRA 6.0 (build 6068)) Presto/2.12.388 Version/12.13
• Opera/9.80 (Windows NT 6.0; MRA 6.0 (build 6001)) Presto/2.12.388 Version/12.13
• Opera/9.80 (Windows NT 5.1; MRA 8.2 (build 7046)) Presto/2.12.388 Version/12.13
• Opera/9.80 (Windows NT 5.1; MRA 8.1 (build 6261)) Presto/2.12.388 Version/12.13
• Opera/9.80 (Windows NT 5.1; MRA 6.0 (build 6060)) Presto/2.12.388 Version/12.13
• Opera/9.80 (Windows NT 5.1; MRA 6.0 (build 5976)) Presto/2.12.388 Version/12.13
• Opera/9.80 (Windows NT 5.1; MRA 5.7 (build 03797)) Presto/2.12.388 Version/12.13
• Opera/9.80 (Windows NT 5.1; MRA 5.10 (build 5310)) Presto/2.12.388 Version/12.13
• Opera/9.80 (Windows NT 5.1; DefView) Presto/2.12.388 Version/12.13
• Opera/9.80 (Macintosh; Intel Mac OS X 10.8.2) Presto/2.12.388 Version/12.13
• Opera/9.80 (Macintosh; Intel Mac OS X 10.7.5) Presto/2.12.388 Version/12.13
• Opera/9.80 (Windows NT 6.2; WOW64; MRA 6.0 (build 5976)) Presto/2.12.388 Version/12.13
• Opera/9.80 (Windows NT 6.1; WOW64; MRA 8.0 (build 6019)) Presto/2.12.388 Version/12.13
• Opera/9.80 (Windows NT 6.1; WOW64; MRA 6.0 (build 5976)) Presto/2.12.388 Version/12.13
• Opera/9.80 (Windows NT 6.1; WOW64; MRA 5.8 (build 4157)) Presto/2.12.388 Version/12.13
• Opera/9.80 (Windows NT 6.1; MRA 6.1 (build 6667)) Presto/2.12.388 Version/12.13
• Opera/9.80 (Windows NT 6.1; MRA 6.0 (build 6089)) Presto/2.12.388 Version/12.13
• Opera/9.80 (Windows NT 6.1; MRA 6.0 (build 5970)) Presto/2.12.388 Version/12.13
• Opera/9.80 (Windows NT 5.1; MRA 8.0 (build 5880)) Presto/2.12.388 Version/12.13
• Opera/9.80 (Windows NT 6.1; MRA 6.0 (build 6060)) Presto/2.12.388 Version/12.13
• Opera/9.80 (Windows NT 6.1; MRA 6.0 (build 6046)) Presto/2.12.388 Version/12.13
• Opera/9.80 (Windows NT 6.1; MRA 6.0 (build 5754)) Presto/2.12.388 Version/12.13
• Opera/9.80 (Windows NT 6.1; MRA 5.7 (build 03796)) Presto/2.12.388 Version/12.13
• Opera/9.80 (Windows NT 5.1; WOW64; MRA 5.6 (build 03399); MRSPUTNIK OW 2, 3, 0, 288) Presto/2.12.388 Version/12.13
• Opera/9.80 (Windows NT 5.1; MRA 8.1 (build 6337)) Presto/2.12.388 Version/12.13
• Opera/9.80 (Windows NT 5.1; MRA 6.2 (build 7314)) Presto/2.12.388 Version/12.13
• Opera/9.80 (Windows NT 5.1; MRA 6.0 (build 5676)) Presto/2.12.388 Version/12.13
• Opera/9.80 (Windows NT 5.1; MRA 5.8 (build 4120)) Presto/2.12.388 Version/12.13
• Opera/9.80 (Windows NT 6.1; YB/5.1.3.0) Presto/2.12.388 Version/12.13
• Opera/9.80 (Windows NT 6.1; WOW64; MRA 8.0 (build 6007)) Presto/2.12.388 Version/12.13
• Opera/9.80 (Windows NT 6.1; WOW64; MRA 6.0 (build 5660)) Presto/2.12.388 Version/12.13
• Opera/9.80 (Windows NT 5.2; WOW64) Presto/2.12.388 Version/12.13
• Opera/9.80 (Windows NT 5.1; MRA 5.10 (build 5278)) Presto/2.12.388 Version/12.13
• Opera/9.80 (Windows NT 5.1; Edition Next) Presto/2.12.388 Version/12.13
• Opera/9.80 (Windows NT 6.1; WOW64; MRA 6.0 (build 6037)) Presto/2.12.388 Version/12.13
• Opera/9.80 (Windows NT 5.1; MRA 5.7 (build 03773)) Presto/2.12.388 Version/12.13
• Opera/9.80 (Windows NT 5.1; MRA 5.7 (build 03686)) Presto/2.12.388 Version/12.13
• Opera/9.80 (Windows NT 6.1; WOW64; MRA 6.1 (build 6683)) Presto/2.12.388 Version/12.13
• Opera/9.80 (Windows NT 6.1; Edition Ukraine Local) Presto/2.12.388 Version/12.13
• Opera/9.80 (Windows NT 5.1; MRA 5.9 (build 4876)) Presto/2.12.388 Version/12.13
• Opera/9.80 (Windows NT 5.1; MRA 5.5 (build 02842)) Presto/2.12.388 Version/12.13
• Opera/9.80 (Windows NT 6.1; WOW64; MRA 6.0 (build 5680)) Presto/2.12.388 Version/12.13
• Opera/9.80 (Windows NT 6.1; Distribution 00) Presto/2.12.388 Version/12.13
• Opera/9.80 (Windows NT 6.1; MRA 5.9 (build 4953)) Presto/2.12.388 Version/12.13
• Opera/9.80 (Macintosh; Intel Mac OS X 10.6.8) Presto/2.12.388 Version/12.13
• Opera/9.80 (Windows NT 6.1; WOW64; MRA 5.7 (build 03790)) Presto/2.12.388 Version/12.13
• Opera/9.80 (Windows NT 6.1; WOW64; Edition Ukraine Local) Presto/2.12.388 Version/12.13
• Opera/9.80 (Windows NT 6.1; MRA 5.8 (build 4157)) Presto/2.12.388 Version/12.13
• Opera/9.80 (Windows NT 6.1; MRA 5.10 (build 5196)) Presto/2.12.388 Version/12.13
• Opera/9.80 (Windows NT 5.1; Distribution 00) Presto/2.12.388 Version/12.13
• Opera/9.80 (Windows NT 6.1; WOW64; MRA 6.0 (build 6015)) Presto/2.12.388 Version/12.13
• Opera/9.80 (Windows NT 6.1; WOW64; MRA 6.0 (build 5711)) Presto/2.12.388 Version/12.13
• Opera/9.80 (Windows NT 6.1; DefView) Presto/2.12.388 Version/12.13