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