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