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