Full list of all 75 The Elder Scrolls V: Skyrim achievements. It takes around 200 hours to unlock all of the achievements in the base game on Windows.
The base game contains 50 achievements, and there are 3 DLC packs containing 25 achievements.
Bounty of 1000 gold in all nine holds
Reach Level 50
Pick 50 locks and 50 pockets
Complete "Dragonslayer"
Learn 20 shouts
Complete "The Fallen"
Complete "The Eye of Magnus"
Complete "Revealing the Unseen"
Get married
Capture Solitude or Windhelm
Capture Fort Sungard or Fort Greenwall
Have 100,000 gold
Escape from jail
Complete "Hail Sithis!"
Get a skill to 100
Complete "Bound Until Death"
Join the Stormcloaks or the Imperial Army
Join the Dark Brotherhood
Complete "Glory of the Dead"
Read 50 Skill Books
Chop wood, mine ore, and cook food
Find 13 Standing Stones
Make a smithed item, an enchanted item, and a potion
Complete "Elder Knowledge"
Complete "Alduin's Wall"
Absorb 20 dragon souls
Complete "Diplomatic Immunity"
Collect 15 Daedric Artifacts
Clear 50 dungeons
Returned the Thieves Guild to its former glory
Complete "Darkness Returns"
Reach Level 25
Complete 10 side quests
Discover 100 Locations
Learn all three words of a shout
Successfully persuade, bribe, and intimidate
Acquire a Daedric Artifact
Complete 50 Misc Objectives
Join the Thieves Guild
Join the College of Winterhold
Complete "The Way of the Voice"
Reach Level 10
Become a member of the Circle
Buy a house
Absorb a dragon soul
Reach Level 5
Join the Companions
Complete "Bleak Falls Barrow"
Select a Standing Stone blessing
Complete "Unbound"
Tame and ride 5 dragons
Learn the secrets of 5 Black Books
Craft an item out of Stalhrim
Own a house in Raven Rock
Discover 30 locations on the island of Solstheim
Learn all 3 words of Dragon Aspect
Complete "At the Summit of Apocrypha"
Complete "The Path of Knowledge"
Complete "The Temple of Miraak"
Arrive on Solstheim
Defeat a Legendary Dragon
Learn all three words of Soul Tear
Acquire 11 vampire perks
Complete "Kindred Judgment"
Use the special power of Auriel's Bow
Complete "Beyond Death"
Complete "Awakening"
Acquire 11 werewolf perks
Change your face
Complete "Lost to the Ages"
Build three houses
Build three wings on a house
Buy three plots of land
Buy a plot of land
Adopt a child