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